802 43.272840000000 -79.899120000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-08-12 801 44.935950000000 -78.089730000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2026-08-11 800 45.968420000000 -66.767570000000 New Brunswick Farmpatch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2026-08-04 799 45.968420000000 -66.767570000000 New Brunswick Farmpatch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2026-07-24 798 49.914940000000 -97.081570000000 Manitoba na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2026-07-24 Counted 10 caterpillars of varying sizes 795 44.001380000000 -79.246310000000 Ontario Oakley Pond Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2026-07-15 797 44.001380000000 -79.246310000000 Ontario Oakley Pond Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2026-07-15 794 43.993420000000 -79.236080000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-07-15 796 43.993310000000 -79.235720000000 ON Corner of Bethesda Side Road & 10th Line Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-07-15 793 45.968420000000 -66.767570000000 New Brunswick Farmpatch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2026-07-03 30% of patch has been mowed down in recent days by city mowers along the Valley trail. 792 44.202120000000 -77.233860000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-06-26 2 caterpillars found on common milkweed , garden box of approximatel 50 plants, started 3 years ago. 791 43.356450000000 -80.323900000000 Ontario 23 Aberdeen Rd S Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-06-25 Young milkweed plants growing in between older plants. Caterpillar seen on nearby palm plant hanging in a J-shape. 790 43.356450000000 -80.323900000000 Ontario 23 Aberdeen Rd S Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-06-20 This caterpillar left the milkweed shortly after this image was taken and went in search of somewhere to pupate. 786 45.968280000000 -66.776260000000 New Brunswick End of valley trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2026-06-18 Bike trail, valley trail 787 45.968580000000 -66.769680000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2026-06-18 Bike trail, valley trail 789 43.356450000000 -80.323900000000 Ontario 23 Aberdeen Rd S Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-06-16 We had 4 caterpillars in different instar stages at this point. 785 45.968420000000 -66.767570000000 New Brunswick Farmpatch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2026-06-16 788 43.356450000000 -80.323900000000 Ontario 23 Aberdeen Rd S Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-06-01 Photo of monarch laying egg on milkweed 784 45.968280000000 -66.776260000000 New Brunswick End of valley trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-05-27 783 45.968420000000 -66.767570000000 New Brunswick Farmpatch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-05-26 Have seen Monarchs in prior years 782 43.055390000000 -79.132120000000 Ontario Heartland Forest Nature Experience 8215 Heartland forest rd niagara falls on Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2026-04-21 777 45.417290000000 -75.663860000000 Ontario Dutchies hole park near Rideau River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2025-09-18 775 43.449790000000 -80.570030000000 Ontario Rummelhardt Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2025-08-01 More stalks to the right of the photo. Have had this patch for 5 years (getting larger each year). 778 45.354136000000 -76.209969000000 Ontario Highway 17 Kinburn, Private farm property Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2025-07-30 779 47.829860000000 -83.352030000000 Ontario Duck Lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2025-07-28 Large Patch - after a quick search I found 2 Monarch Caterpillars but did not search the entire site. Located immediately adjacent to Highway 101e near Brunswick House First Nation, Chapleau 780 47.829860000000 -83.352030000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2025-07-28 Large Patch - after a quick search I found 2 Monarch Caterpillars but did not search the entire site. Located immediately adjacent to Highway 101e near Brunswick House First Nation, Chapleau 781 47.829860000000 -83.352030000000 Ontario Duck Lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2025-07-28 North side of Highway 101e, 100 metres before Brunswick House First Nation. 774 45.436844500000 -80.317583500000 Ontario Shebeshekong River, Dillon ON Milkweed (species not known) 2-10 Small patch of plants, up to 10 2025-07-22 773 49.654810000000 -96.281800000000 Manitoba East Richer Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2025-07-11 Our milkweed spread but we are surprised to hardly see Monarch butterflies this year. 772 45.663286000000 -79.604166900000 Ontario Horner Rd and Hwy 520 Milkweed (species not known) >50 large area of milkweed plants 2025-07-08 771 45.664159000000 -79.599233600000 Ontario Horner Rd near H20 spring Milkweed (species not known) 2-10 Small patch of plants, up to 10 2025-07-08 768 45.608416300000 -79.403017000000 Ontario Tim Horton’s in Burks Falls Milkweed (species not known) 2-10 Small patch of plants, up to 10 2025-06-29 These milkweed plants were found in a garden bed in the drive-thru at Tim Horton’s 769 45.608416300000 -79.403017000000 Ontario Tim Horton’s in Burks Falls Milkweed (species not known) 2-10 Small patch of plants, up to 10 2025-06-29 These milkweed plants were found in a garden bed in the drive-thru at Tim Horton’s 770 45.256220000000 -75.921460000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2025-01-01 776 42.958550000000 -79.123100000000 Ontario Koabel Road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2025-01-01 Caterpillars and adult Monarch Butterflies seen 764 44.012570000000 -78.612340000000 Ontario Kirby School Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2024-08-12 Large schoolyard 766 45.219250000000 -79.701260000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2024-08-10 Many caterpillars seen on a number of milkweed plants 765 45.226460000000 -79.733640000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2024-08-08 763 45.858880000000 -64.250670000000 Nova Scotia My milkweed garden Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2024-08-02 I have seen a monarch around both patches of milkweed in my yard. There are eggs and this Caterpillar. 752 45.858880000000 -64.250670000000 Nova Scotia My milkweed garden Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2024-07-31 757 43.933970000000 -79.534220000000 Ontario East Humber River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2024-07-31 758 43.933970000000 -79.534220000000 Ontario East Humber River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-07-31 these plants were found on the outter edge of the forest - outside of the river 759 43.877720000000 -79.488660000000 Ontario East Humber River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-07-31 760 43.867290000000 -79.475320000000 Ontario East Humber River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-07-31 761 43.867290000000 -79.475320000000 Ontario East Humber River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-07-31 755 43.874080000000 -79.486860000000 Ontario Don River East Branch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-07-30 753 45.858880000000 -64.250670000000 Nova Scotia My milkweed garden Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2024-07-30 754 45.858880000000 -64.250670000000 Nova Scotia My milkweed garden Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2024-07-30 756 43.874080000000 -79.486860000000 Ontario Don River East Branch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2024-07-30 this observation was made in a seperate section of the river than my last observation. 751 43.827430000000 -80.373420000000 Ontario Belwood, Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-07-08 750 45.207040300000 -76.275226000000 Ontario Family farm Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2024-06-30 We plow these fields but are actively avoiding areas that have milkweed :) 748 45.414880000000 -75.711180000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata >50 large area of milkweed plants 2024-06-23 749 45.411990000000 -75.711190000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2024-06-23 746 50.899340000000 -114.034900000000 Alberta na Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 2-10 Small patch of plants, up to 10 2024-06-18 The late G. Y. of Calgary had a whole yard of milkweed lost to redevelopment in 2020. This patch in my yard survives from seed he distributed. 747 50.899340000000 -114.034900000000 Alberta na Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 2-10 Small patch of plants, up to 10 2024-06-18 The late G. Y. of Calgary had a whole yard of milkweed lost to redevelopment in 2020. This patch in my yard survives from seed he distributed. 767 46.213533000000 -79.210408000000 Ontario Nosbonsing Park Rd/Lake Nosbonsing Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2024-06-01 I planted this milkweed approx 4yrs ago 745 46.947040000000 -65.835830000000 New Brunswick Back yard Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2024-05-26 744 43.466830000000 -80.560580000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2023-09-26 762 43.547620000000 -80.197800000000 Ontario East Humber River Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-09-23 740 43.461540000000 -80.557180000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-09-14 741 43.461540000000 -80.557180000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-09-14 742 43.461820000000 -80.558630000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-09-14 743 43.466940000000 -80.560590000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2023-09-14 732 50.929561400000 -114.050606500000 Alberta Canyon Meadows Bee Boulavard Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 11-50 Extensive patch 2023-09-09 738 44.356929000000 -78.733166000000 Ontario Scugog River Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2023-08-25 739 44.354856000000 -78.740323000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2023-08-25 731 43.240420000000 -79.873950000000 Ontario na Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2023-08-23 737 42.970570000000 -81.238050000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2023-08-20 736 42.926410000000 -81.685730000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-08-19 734 44.375393000000 -78.746820000000 Ontario Victoria Rail Trail Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2023-08-15 735 44.375393000000 -78.746820000000 Ontario Victoria Rail Trail Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2023-08-15 733 44.411123000000 -78.772009000000 Ontario Ken Reid Park Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2023-08-15 729 42.952540000000 -80.054880000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-30 730 43.065020000000 -80.482540000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-30 728 43.133230000000 -80.346870000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-29 Planted by the wheelchair ramp going into the restaurant at this small rural airport. 725 42.270750000000 -83.080560000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-26 726 42.270750000000 -83.080560000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-26 727 42.274170000000 -83.077950000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-26 719 42.222560000000 -83.048320000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-25 There is a ditch along the side of the road. The town has placed large rocks under/around the pipes, milkweed grows in the rocky area around the pipe. 723 42.224610000000 -83.025930000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2023-07-25 The plants are growing in a newly developed retention pond that was put in for a subdivision two years ago. I planted the swamp milkweed there after the grass seed the developers put in didn$apos;t take. 724 42.224560000000 -83.026290000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2023-07-25 The plants are growing around a retention pond that was put in about 2-3 years ago. I planted multiple swamp milkweed plants in the area after the grass seed the developer put in did not take. 720 42.238810000000 -83.098510000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-23 Milkweed is growing in the ditch in front of a residential home. The ditch is technically municipal property but is maintained by the homeowner; therefore, the owner is allowing the milkweed to grow in the ditch. 721 42.246400000000 -83.094510000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-23 Milkweed is growing in the ditch in front of a residential home. The ditch is technically municipal property but is maintained by the homeowner; therefore, the owner is allowing the milkweed to grow in the ditch. 722 42.238810000000 -83.098530000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-23 Milkweed is growing in the municipally owned drainage ditch in front of a residential home. The property would be maintained by the homeowner therefore they are letting the milkweed grow there. 718 45.391880000000 -67.283400000000 New Brunswick Jackson Rc Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-22 717 42.234800000000 -83.091930000000 Ontario Home Garden Other known species 1 Single plant, growing alone 2023-07-21 Sullivant$apos;s Milkweed 714 42.234800000000 -83.091930000000 Ontario Home Garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-21 715 42.234800000000 -83.091930000000 Ontario Home Garden Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2023-07-21 716 42.234800000000 -83.091930000000 Ontario Home Garden Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2023-07-21 713 45.391590000000 -67.281950000000 New Brunswick Jackson road, beside blueberry field Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2023-07-15 711 45.582430000000 -67.284620000000 New Brunswick McAdam Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2023-07-15 712 45.574530000000 -67.348910000000 New Brunswick Road to McAdam Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2023-07-15 709 49.967521166620 -98.305583383405 Manitoba na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2022-09-13 No black dots on these ones. 706 49.965550285480 -98.242275149682 Manitoba na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2022-09-13 Along the 1, coming into Portage La Prairie from the East. 707 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2022-09-13 Along the 1, coming into Portage La Prairie from the East. 704 46.674079000000 -64.115570000000 Prince Edward Island West Devon Hall Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2022-09-12 We planted these swamp milkweed plants here on our property in the spring. We didn’t see any monarch action this year, but maybe next year. 705 46.674079000000 -64.115570000000 Prince Edward Island West Devon Hall Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2022-09-12 We planted these swamp milkweed plants here on our property in the spring. We didn’t see any monarch action this year, but maybe next year. 708 49.946862000000 -98.329793000000 Manitoba na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2022-09-12 I also have a pic under the leaves. Its a dam, along the path across it, above a river, giving onto a large bay. 703 46.540131380520 -84.345160767381 Ontario Fort Creek Conservation Area Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2022-09-05 Near the parking lot, along the trail, and by fencing around the pond. 701 44.040923809929 -79.505638573813 Ontario Joker$apos;s Hill Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2022-09-03 Near the parking lot, along the trail, and there is eventually a more open field, but it was pretty well in the woods, maybe half a meter from the pretty solidly frequented, but not very wide trail. 702 44.040923809929 -79.505638573813 Ontario Joker$apos;s Hill Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2022-09-03 Near the parking lot, along the trail, and there is eventually a more open field, but it was pretty well in the woods, maybe half a meter from the pretty solidly frequented, but not very wide trail. 710 42.096120000000 -82.567710000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2022-08-23 699 46.784630000000 -67.021610000000 New Brunswick pond on private property 5 km from Plaster Rock,N.B. Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2022-08-20 saw 3 Monarch\$apos;s at our private property 5 km from here(Plaster Rock) for 1st time in years,then started looking to identify milkweed. found swamp milkweed in 2 locations on property 700 44.153290000000 -78.568300000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2022-08-14 697 46.785700000000 -80.839530000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-08-04 698 46.928260000000 -67.032790000000 New Brunswick na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2022-08-01 saw 3 Monarch$apos;s at our private property 5 km from here(Plaster Rock) for 1st time in years,then started looking to identify milkweed. found swamp milkweed in 2 locations on property 696 45.362490000000 -63.277780000000 Nova Scotia At the Rookery Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2022-07-27 I had planted two clumps of swamp milkweed in my town yard (10 in one clump, 15 in another) approximately two years ago. This year (late July) I have found eggs on the leaves in the smaller clump. 690 43.999990000000 -79.447890000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-07-20 691 43.999990000000 -79.447890000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-07-20 692 44.000170000000 -79.448060000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-07-20 Brown spots noticed on some leaves 693 44.000430000000 -79.448800000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-07-20 694 44.000430000000 -79.448800000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-07-20 695 44.001020000000 -79.448680000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-07-20 687 43.999110000000 -79.447730000000 Ontario Sheppard$apos;s Bush Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2022-07-20 688 43.999110000000 -79.447730000000 Ontario Sheppard$apos;s Bush Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2022-07-20 689 43.999110000000 -79.447730000000 Ontario Sheppard\$apos;s Bush Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2022-07-20 686 43.719670000000 -79.472650000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2022-07-01 685 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2022-05-29 They have not fully bloomed yet. I haven’t seen flowers. Only leaves 684 44.651510000000 -63.741480000000 Nova Scotia Half Mile Lake Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2021-09-25 Planted from seed in 2020 683 Milkweed (species not known) 11-50 Extensive patch 2021-09-14 Leaves are quite yellow with some shiny substance on them 681 45.511370000000 -73.635420000000 Quebec Ave. Kirkfield, TMR Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-09-11 679 45.929940000000 -66.877000000000 New Brunswick Crewdson Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-08-22 i have seen one Monarch butterly here this year on July 23 when it must have been depositing eggs. it$apos;s the first Monarch i have positively identified at this location in many years. it$apos;s the first time i$apos;ve seen a caterpillar this year. 680 45.929940000000 -66.877000000000 New Brunswick Crewdson Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-08-22 i have seen one Monarch butterly here this year on July 23 when it must have been depositing eggs. it$apos;s the first Monarch i have positively identified at this location in many years. it$apos;s the first time i$apos;ve seen a caterpillar this year. 662 44.000000000000 -79.000000000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-08-19 660 45.445460000000 -73.571550000000 Quebec na Milkweed (species not known) 11-50 Extensive patch 2021-08-18 661 45.447220000000 -73.569130000000 Quebec na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-08-18 678 45.463190000000 -73.560290000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-08-14 659 42.945870000000 -81.524060000000 Ontario Hwy 402 between Delaware and Strathroy, ON Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-08-12 Huge quantity of milkweed along Hwy 402 in the median and along the roadside. Many monarchs observed while driving. 677 45.445840000000 -73.582980000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-08-11 670 45.448850000000 -73.577390000000 Quebec na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-08-09 671 45.449620000000 -73.586820000000 Quebec na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-08-09 672 45.450640000000 -73.585750000000 Quebec na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-08-09 676 45.446190000000 -73.589580000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-08-09 673 45.451640000000 -73.579610000000 Quebec na Milkweed (species not known) 11-50 Extensive patch 2021-08-09 674 45.448890000000 -73.576380000000 Quebec na Milkweed (species not known) 11-50 Extensive patch 2021-08-09 675 45.448380000000 -73.588110000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-08-09 658 45.515930000000 -73.900960000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-08-05 657 45.439110000000 -73.578980000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-26 First milkweed plant this year with a caterpillar on it. Super excited to see it munching away on one of the leaves. 654 45.344790000000 -63.405330000000 Nova Scotia Mill brook Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-07-25 655 45.285490000000 -66.057440000000 New Brunswick Saint John Public gardens Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2021-07-24 656 45.214370000000 -66.133440000000 New Brunswick na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2021-07-24 665 45.437530000000 -73.580120000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-23 Inside a garden plot. 667 45.437420000000 -73.582940000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-23 645 46.347000000000 -66.698500000000 New Brunswick na Milkweed (species not known) 11-50 Extensive patch 2021-07-23 666 45.436440000000 -73.581210000000 Quebec na Milkweed (species not known) 11-50 Extensive patch 2021-07-23 Two different species were here. Common milkweed and four that I do not know of. 668 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-07-23 669 45.432880000000 -73.586580000000 Quebec na Milkweed (species not known) 11-50 Extensive patch 2021-07-23 643 46.347300000000 -66.698600000000 New Brunswick na Milkweed (species not known) >50 large area of milkweed plants 2021-07-23 644 46.347100000000 -66.698500000000 New Brunswick na Milkweed (species not known) >50 large area of milkweed plants 2021-07-23 646 46.347300000000 -66.698600000000 New Brunswick greenhill nb E6B 2H4 Milkweed (species not known) >50 large area of milkweed plants 2021-07-23 this is the same patch as has been entered previously, but there is evidence of a tent on the underside of a folded leaf in the photo fyi 642 45.893209600000 -66.152605000000 New Brunswick Scotchtown, Grand Lake Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-07-22 651 45.371521000000 -73.543208000000 Quebec grassy area in Park Honourable George O Reilley Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-20 Growing beside railroad tracks. 652 45.371938000000 -73.545137000000 Quebec grassy area in Park Honourable George O Reilley Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-20 653 45.372909000000 -73.546873000000 Quebec grassy area in Park Honourable George O Reilley Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-20 650 45.371521000000 -73.543206000000 Quebec grassy area in Park Honourable George O Reilley Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-07-20 Growing beside railroad tracks. 663 45.439500000000 -73.582350000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-19 664 45.439750000000 -73.583470000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-19 Inside a garden plot. 640 45.984030000000 -66.676880000000 New Brunswick Bike paths behind McAdam Avenue School Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-18 Within sight of suburban residences on McAdam Avenue. 639 45.981990000000 -66.688780000000 New Brunswick Ferris Street Wetland, Nature Trails, and Berry Fields Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-07-18 Spotted near and around the blueberry bushes. 638 46.105899000000 -79.365891000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2021-07-15 While driving north on HWY 11, I did see a few Monarch Butterflies fly across the road, but none at this site. 637 45.955140000000 -66.645770000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-07-12 641 45.977670000000 -66.656750000000 New Brunswick North Riverfront trail near superstore Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-07-10 648 45.435175000000 -73.584702000000 Quebec grassy area in Park Honourable George O Reilley Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-07-10 Many plants growing around the grassy area. Saw one monarch flying around and feeding on one of the flowers. 647 45.436929000000 -73.583533000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-10 Small yellow bugs on underside of leaves and on stem. 649 45.435890000000 -73.584434000000 Quebec grassy area in Park Honourable George O Reilley Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-07-10 Unsure if the plants were seeded to grow or took of from the seeds elsewhere. Small garden section. 636 45.285480000000 -66.057460000000 New Brunswick na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2021-07-08 635 45.991270000000 -66.652510000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-07-06 633 45.988280000000 -66.630660000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-07-06 634 45.993800000000 -66.650620000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-07-06 632 43.294753000000 -79.866823000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-07-01 631 43.240771000000 -79.895130000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-06-30 school butterfly garden 630 43.228599000000 -79.925517000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2021-06-30 627 43.241788000000 -79.909965000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-06-27 626 45.179750000000 -79.309460000000 ON Roadside Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-06-24 12 caterpillars spotted 622 43.515650000000 -80.254440000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-06-21 623 43.515650000000 -80.254440000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-06-21 625 43.515650000000 -80.254440000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-06-21 624 43.515650000000 -80.254440000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-06-21 Growing in a garden in my backyard. Not planted by me. 628 46.375551000000 -82.635829000000 Ontario Porridge lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-06-20 629 46.373156000000 -82.618714000000 Ontario Esten park Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-06-16 621 43.375299000000 -80.133408000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-06-16 618 43.240910000000 -79.931964000000 Ontario Acerbic drive hydro Milkweed (species not known) 11-50 Extensive patch 2021-06-15 619 45.972680000000 -66.648640000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-06-15 620 45.962340000000 -66.620060000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-06-15 612 43.051886000000 -79.912439000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2021-06-13 Numerous plants seen at this location spanning a stretch of approx 0.5 km 613 45.508940000000 -65.838850000000 New Brunswick Ella Cres, Hampton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-06-11 Vacant lot for sale, found 28 eggs and saw two adult butterflies 614 45.506250000000 -65.844260000000 New Brunswick Lakeside Road Junction Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-06-11 Smaller patch with dense common milkweed. Found 13 eggs. 615 45.509620000000 -65.835520000000 New Brunswick Dickinson & Baird Vet Hospital Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-06-11 Smaller patch with dense common milkweed. Found 13 eggs. 616 45.430850000000 -65.885860000000 New Brunswick Hammond River Bridge Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-06-11 Smaller patch with dense common milkweed. Found 13 eggs. 617 45.430850000000 -65.885860000000 New Brunswick Hammond River Bridge Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2021-06-11 Large patch surveyed, found 57 monarch eggs. 611 43.131887000000 -80.041193000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2021-06-06 610 46.379800000000 -82.655700000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2021-05-26 609 43.887770000000 -78.935770000000 Ontario Kilberry walking path Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2021-05-24 682 45.528710000000 -73.616050000000 Quebec Mile-End Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2021-01-01 603 45.434450000000 -73.690270000000 Quebec Lachine 1 - 29e / Notre-Dame Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-09-19 11 individuals (including several with green pods). Habitat : shppping center parking (asphalt). 600 44.963011000000 -79.755566000000 Ontario South Gibson Lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-09-06 602 46.412180000000 -81.000457000000 Ontario Long Lake Road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-09-05 604 48.497300000000 -81.160920000000 Ontario Home 600 Duke St Porcupine ON Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2020-08-31 605 48.497300000000 -81.160920000000 Ontario Home 600 Duke St Porcupine ON Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2020-08-31 597 46.348730000000 -74.235120000000 Quebec Chemin Bernier, St-Donat Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-08-30 601 45.398897000000 -80.026460000000 Ontario McDougall Public School Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-08-29 599 43.135560000000 -80.308040000000 Ontario Oakhill Cemetery Pond Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-08-23 596 45.040050000000 -78.610100000000 Ontario Elstone farm Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-08-20 606 48.492200000000 -81.190280000000 Ontario Prospectors Trail East Entrance/New Filtration Plant in Porcupine Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-08-15 595 43.275950000000 -81.496330000000 Ontario The Garden Milkweed (species not known) 11-50 Extensive patch 2020-08-13 607 43.497270000000 -80.582380000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-08-12 608 51.980710000000 -106.716920000000 Saskatchewan Beaver Creek Conservation Area Other known species >50 large area of milkweed plants 2020-08-10 One caterpillar seen on Dwarf Milkweed plants. No evidence of eggs. Site has 6 known patches of Dwarf Milkweed. 598 45.527700000000 -73.588750000000 Quebec 454 Laurier E. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-30 4 young milkweed individuals counted. 1 adult monarch flying in the area (seen 1 month later, at the end of august 2020). 593 45.972320000000 -66.646040000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-28 594 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-28 585 45.536690000000 -73.616660000000 Quebec De Gaspé 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-07-25 counted 31 individuals at the foot of a public tree (Acer saccharinum) on the sidewalk. Among them, 12-15 easily visible, and numerous smaller (including tiny ones hidden under vegetation). 586 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-07-25 counted 31 individuals at the foot of a public tree (Acer saccharinum) on the sidewalk. Among them, 12-15 easily visible, and numerous smaller (including tiny ones hidden under vegetation). 587 45.542500000000 -73.622500000000 Quebec 575 Villeray E. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-07-25 12 milkweeds in a small front garden in the city. 588 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-07-25 12 milkweeds in a small front garden in the city. 584 45.537550000000 -73.619670000000 Quebec De Gaspé 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-25 2 young individuals at the foot of a public tree on the sidewalk. 590 45.890120000000 -73.585380000000 Quebec Saint-Esprit 2 Milkweed (species not known) 2-10 Small patch of plants, up to 10 2020-07-23 counted 6 young individuals. Located in the middle of a farm grassland. A stream runs alongside the field Species not identified : quite narrow leaves. 591 45.890040000000 -73.585300000000 Quebec Saint-Esprit 3 Milkweed (species not known) 2-10 Small patch of plants, up to 10 2020-07-23 counted 3 quite young individuals. Located in the middle of a farm grassland. A stream runs alongside the field. 589 45.890170000000 -73.585500000000 Quebec Saint-Esprit 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-07-23 counted 27 individuals. The biggest individual has flowers starting to bloom. Located in a farm grassland. 592 45.889930000000 -73.585150000000 Quebec Saint-Esprit 4 Milkweed (species not known) >50 large area of milkweed plants 2020-07-23 counted 53 individuals, including young and adult ones. Several adults have an advanced blooming. These milkweeds are located close to the edge of a farm grassland and close to a stream that borders the field. Species not identified : Leaves quite narro 579 45.300310000000 -79.290190000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-18 580 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-18 581 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-18 582 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-18 583 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-07-18 568 45.379550000000 -79.231700000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-16 565 45.732150000000 -82.288150000000 Ontario My place Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-07-13 567 46.098660000000 -73.925430000000 Quebec Des Perdrix Jardins Milkweed (species not known) 11-50 Extensive patch 2020-07-13 566 45.733040000000 -82.286090000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-13 564 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-10 This patch of milkweed has been here for a few years but July 2020 is the first time I observe this many caterpillars (20) and adults (3) on it. It$apos;s along an old abandoned railway tracks overgrown with wild flowers, bordered with mixed forest, near Porc 561 45.381600000000 -79.231480000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-09 no caterpillar, no leaves eaten, already blooming -normally by now the leaves would be eaten - very hot summer.... 562 45.381600000000 -79.231480000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-07-09 no caterpillar, no leaves eaten, already blooming -normally by now the leaves would be eaten - very hot summer.... 559 43.275950000000 -81.496330000000 Ontario The Garden Milkweed (species not known) 11-50 Extensive patch 2020-07-07 560 43.160990000000 -81.685970000000 Ontario Parkhill Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2020-07-07 563 45.176850000000 -79.450540000000 Ontario Three Mile Lake Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2020-07-01 557 43.244640000000 -79.967520000000 Ontario HHIking trails off of Old Ancaster Road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-06-28 556 42.808360000000 -81.159000000000 Ontario burwell pond Milkweed (species not known) 2-10 Small patch of plants, up to 10 2020-06-13 552 43.233450000000 -81.793990000000 Ontario Greenway Rd., Trout Pond Milkweed (species not known) 11-50 Extensive patch 2020-06-08 554 43.233450000000 -81.793990000000 Ontario Greenway Rd., Trout Pond Milkweed (species not known) 11-50 Extensive patch 2020-06-08 555 43.233450000000 -81.793990000000 Ontario Greenway Rd., Trout Pond Milkweed (species not known) 11-50 Extensive patch 2020-06-08 553 42.794530000000 -81.187770000000 Ontario Waterworks Park Milkweed (species not known) 11-50 Extensive patch 2020-06-07 551 43.974660000000 -80.149800000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2020-05-28 569 45.295440000000 -79.202480000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-16 570 45.296020000000 -79.204430000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-16 571 45.296020000000 -79.204430000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-16 572 45.296020000000 -79.204430000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-16 578 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-16 573 45.296090000000 -79.204130000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2020-01-01 574 45.368940000000 -79.224270000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2020-01-01 575 45.381520000000 -79.231520000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-01 No sign of caterpillars or larvae - normally yes- very few monarchs this year - in the last 1000-s this year dozens 576 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-01 No sign of caterpillars or larvae - normally yes- very few monarchs this year - in the last 1000-s this year dozens 577 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2020-01-01 No sign of caterpillars or larvae - normally yes- very few monarchs this year - in the last 1000-s this year dozens 558 43.897850000000 -78.868990000000 Ontario Off Bond Street Oshawa Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2020-01-01 545 46.177700000000 -77.769870000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-09-28 543 46.348730000000 -74.235120000000 Quebec Chemin Bernier, St-Donat Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-09-14 542 43.538770000000 -80.216630000000 Ontario University of Guelph Arboretum Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-09-13 548 41.763460000000 -82.636510000000 Ontario NCC-3 Kestrel Nature Reserve Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-09-05 Found on Nature Conservancy of Canada, Kestrel Nature Reserve on Pelee Island. 549 43.461800000000 -80.033450000000 Ontario Mountsberg - Swallowville Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-08-30 Located in a Conservation Area 541 44.504630000000 -79.577690000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-08-29 540 43.867090000000 -79.252580000000 ON 30 Schouten Cres. Markham Area Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-08-23 The area we live in is at a risk from the cities Construction vehicles and work crew that goes down there and starts to flat the lands out and kill trees and cut down areas around the swamp which provides shelter to frogs, snakes, insects, turtles etc. 539 43.865000000000 -79.862510000000 Ontario Home Milkweed (species not known) 11-50 Extensive patch 2019-08-21 537 44.369640000000 -76.571720000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-08-15 538 45.176850000000 -79.450540000000 Ontario Three Mile Lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2019-08-14 536 45.176850000000 -79.450540000000 Ontario Three Mile Lake Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2019-08-14 Eleven caterpillars on this group of newly planted milkweeds, five of which I transferred from another plant that has had all the leaves eaten. 533 42.984650000000 -82.370970000000 Ontario Exmouth and Kember Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-08-04 We have deliberately planted Milkweed for Monarchs and have been actively watching for eggs and caterpillars. We had a caterpillar about the diameter of a pencil, but it has disappeared. Monarch butterflies continue to visit our garden (perhaps also dr 534 42.984560000000 -82.370770000000 Ontario Exmouth and Kember Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-08-04 We have deliberately planted Milkweed for Monarchs and have been actively watching for eggs and caterpillars. We had a caterpillar about the diameter of a pencil, but it has disappeared. Monarch butterflies continue to visit our garden (perhaps also dr 546 45.540730000000 -79.190130000000 Ontario home 105 Ostick RD Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-08-03 535 45.176850000000 -79.450540000000 Ontario Three Mile Lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-08-03 531 45.176850000000 -79.450540000000 Ontario Three Mile Lake Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2019-07-31 4 visible caterpillars remain in various sizes. Very large one disappeared last Friday. 528 44.494550000000 -92.605470000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-07-30 529 45.396460000000 -75.638610000000 Ontario 683 Chapman Blvd. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-07-30 Have at least 2 monarchs at 4 th instar stage observed and photographed today and one just hatched. Observed monarch butterfly still laying eggs today. Have had monarch caterpillars in past years but always seemed to be predated by insects. This is fir 527 44.504630000000 -79.577690000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-07-29 525 41.755470000000 -82.632910000000 Ontario na Other known species 1 Single plant, growing alone 2019-07-22 Found 1 Purple Milkweed with no signs of Monarch habitation on Pelee Island$apos;s SRANR - 7. 521 44.945060000000 -75.694600000000 ON Oxford Mills, Ontario Other known species 1 Single plant, growing alone 2019-07-21 Prairie Milkweed, Asclepias sullivantii 522 44.945060000000 -75.694600000000 ON Oxford Mills, Ontario Other known species 1 Single plant, growing alone 2019-07-21 Prairie Milkweed, Asclepias sullivantii 520 49.793770000000 -97.129300000000 Manitoba na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-07-21 517 44.945060000000 -75.694600000000 ON Oxford Mills, Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-07-21 518 44.945060000000 -75.694600000000 ON Oxford Mills, Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-07-21 519 44.945060000000 -75.694600000000 ON Oxford Mills, Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-07-21 523 41.763460000000 -82.636510000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-07-21 Found large patch (323 plants) of Common Milkweed on Pelee Island$apos;s (NCC - 3) property by the A line. Total Plants: 323, Eggs: 84, 1st: 63, 2nd: 29, 3rd: 0, 4th: 0, 5th: 0 524 41.755470000000 -82.632910000000 Ontario na Butterfly weed (found in ON, QC) Asclepias tuberosa >50 large area of milkweed plants 2019-07-21 Found large patch (58 plants) of ButterflyMilkweed on Pelee Island (Ontario Nature$apos;s Stone Road Alvar - 7) adjacent to trail. Total Plants: 58, Eggs: 0, 1st: 1, 2nd: 0, 3rd: 1, 4th: 0, 5th: 0 515 43.030610000000 -82.271720000000 Ontario Lake Huron Bank Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2019-07-13 516 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2019-07-13 526 45.276690000000 -76.708810000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-07-12 On Calabogie Highlands Golf Course. 17th tee box 514 43.418620000000 -79.773620000000 Ontario Home trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-07-11 503 44.504450000000 -79.578550000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-07-01 Residential yard surrounded by mixed forest. 502 42.945870000000 -81.524060000000 Ontario Hwy 402 between Delaware and Strathroy, ON Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-07-01 501 43.669850000000 -79.412020000000 Ontario 138 Albany Avenue Milkweed (species not known) 11-50 Extensive patch 2019-06-30 As in previous years, it looks as if some kind of disease is going to affect the plants. However, the disease does not necessarily interfere with blooming. 505 41.762810000000 -82.639080000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-06-26 In NCC Kestrel property within shrub opening off trail. 506 41.756660000000 -82.633690000000 Ontario na Other known species 1 Single plant, growing alone 2019-06-26 Purple milkweeds found scattered throughout Stone Road Alvar. 507 41.756660000000 -82.633690000000 Ontario na Other known species 1 Single plant, growing alone 2019-06-26 Purple milkweeds scattered throughout Stone Road Alvar Nature Reserve. 508 41.756740000000 -82.635720000000 Ontario na Milkweed (species not known) 1 Single plant, growing alone 2019-06-26 Milkweed found on Stone Road Alvar Nature Reserve, Pelee Island. 510 41.756530000000 -82.634900000000 Ontario na Other known species 1 Single plant, growing alone 2019-06-26 1 Purple milkweed found on Stone Road Alvar Nature Reserve, Pelee Island 511 41.756010000000 -82.634840000000 Ontario na Other known species 1 Single plant, growing alone 2019-06-26 1 Purple milkweed found on Stone Road Alvar Nature Reserve, Pelee Island 509 41.756530000000 -82.635530000000 Ontario na Other known species 2-10 Small patch of plants, up to 10 2019-06-26 2 Purple milkweeds found on Stone Road Alvar Nature Reserve, Pelee Island 512 41.755940000000 -82.633220000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-06-26 2 Common milkweeds found on Stone Road Alvar Nature Reserve, Pelee Island 504 41.762280000000 -82.635790000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-06-25 On NCC Kestrel property growing near the entrance along the right hand side just before the gravel round-a-bout. 499 43.442650000000 -80.658370000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-06-16 Milkweed exists along this roadside. I have never witnessed any evidence of Monarchs on the plants in the 8 years I have walked along it. However, this general area had large gatherings of Monarchs in the past. 500 43.701784000000 -79.377594000000 Ontario 92 Albany Avenue Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-06-15 Growing in space between garden and sidewalk 498 43.670031000000 -79.407034000000 Ontario I Kendal Avenue Milkweed (species not known) 1 Single plant, growing alone 2019-06-14 497 44.249310000000 -77.436360000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-06-08 550 45.395920000000 -75.516730000000 Ontario Canada$apos;s Capital Greenbelt - Ottawa Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2019-06-08 513 49.767750000000 -94.479040000000 Ontario My property, 811 Railway Street, Kenora, Ontario P9N 1A5 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2019-06-07 496 43.717000000000 -79.698530000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-06-06 Saw Monarch laying eggs on milkweed 8n my garden 4 days ago 530 43.248100000000 -81.676870000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-06-01 Have found many caterpillars and raised and released 7 from egg to butterfly many butterflies flying around now as of July 29 492 43.483920000000 -80.414640000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2019-01-02 532 44.719800000000 -80.033710000000 Ontario Wahnekwening Beach Milkweed (species not known) 2-10 Small patch of plants, up to 10 2019-01-01 544 45.284810000000 -75.795080000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2019-01-01 491 43.447670000000 -80.462670000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-11-19 490 43.566020000000 -80.238770000000 Ontario 27 Eliot Pl. Guelph Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2018-10-18 489 43.400950000000 -80.377010000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-10-12 Plants observed from moving car 485 43.455350000000 -80.573980000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-10-02 486 43.345580000000 -80.363650000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-10-02 484 43.344380000000 -80.368000000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-10-02 488 43.738290000000 -79.485530000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-10-02 487 43.773460000000 -79.501880000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-30 483 43.338290000000 -80.335840000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-28 482 43.684280000000 -79.366280000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-23 Small patch of milkweed (1-3) amidst small man-made garden. at Evergreen Brick Works. 478 43.622010000000 -79.378090000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-22 The small patch of MilkWeed plants had 4-5 green pods attached to each plant. 479 43.622500000000 -79.381388900000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-22 The small patch of MilkWeed plants had 4-5 green pods attached to each plant. 480 43.622640000000 -79.381550000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-22 This small patch of MilkWeed plants had only 1-2 pods. 481 43.613040000000 -79.381230000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-22 Larger patch of Milkweed (8-10) , 3 or 4 of which had dried Milkweed Pods. 475 43.332560000000 -80.448860000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-09-19 474 43.401610000000 -80.496370000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-09-12 A sign says site will be developed into commercial space. Follow up in future years to see if milkweed is removed 476 43.734113800000 -79.358448400000 Ontario toronto botanical garden Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-09-11 472 45.441860000000 -75.677950000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-06 477 43.821530000000 -79.286300000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-09-06 469 43.836620000000 -79.303740000000 Ontario church parking lot Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-04 470 43.837920000000 -79.303740000000 Ontario milliken mills high school parking lot Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-04 471 43.538590000000 -81.690550000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-09-04 I am on the beach 10km south of Goderich On. i have been encouraging milkweek growth on the beach for several years ( 5 at least). I have been at this beach for 60 years & have observed milk weed and Monarchs ups & downs over the years, & this year a 473 45.348840000000 -66.223960000000 New Brunswick Brundage Point Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-09-01 465 43.663150000000 -79.435660000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-29 463 44.799160000000 -81.281060000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-28 464 44.645070000000 -81.243280000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-08-28 462 43.424410000000 -80.381770000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-08-27 466 43.838270000000 -79.319730000000 Ontario Clark Young Woods Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-27 460 43.137670000000 -79.205920000000 Ontario Willow Street St Catharines Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-08-26 There is a small group of milkweed plants on our street in St Catharines Ontario that over the past few days are now suddenly loaded with Monarch Butterfly eggs. We are very worried somebody will cut them down or kids will destroy the pods. Southeast corn 467 43.860760000000 -79.212150000000 Ontario Bob Hunter Memorial Park - Parking Lot Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-24 457 45.259340000000 -75.355210000000 Ontario Russell Butterfly weed (found in ON, QC) Asclepias tuberosa >50 large area of milkweed plants 2018-08-24 461 48.756425000000 -91.613620000000 ON Tom & Sandra$apos;s place Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2018-08-20 This was a great year. The monarchs were he in mid June, and this patch produced many caterpillars and adults. There are a number of caterpillars hanging around in chrysalis presently. 455 43.356250000000 -80.336140000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-20 456 43.598650000000 -81.532660000000 Ontario Clinton garden 77759 London Rd Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-08-19 Quite a lot of milkweed and other flowering plants in our garden and see monarch butterflies nearly every day during the last several weeks, first time i have spotted a monarch caterpillar 450 43.824270000000 -79.323810000000 Ontario Risebrough Park Trail to Warden Avenue Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-17 These milkweed plants didn$apos;t have any visible seed pods. They were struggling to get sunlight as it is a shaded area (by trees). 451 43.824270000000 -79.323810000000 Ontario Risebrough Park Trail to Warden Avenue Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-17 These milkweed plants didn$apos;t have any visible seed pods. They were struggling to get sunlight as it is a shaded area (by trees). 452 43.658770000000 -79.486510000000 Ontario St. James Catholic Church Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-16 1 monarch butterfly seen flying. 453 43.659680000000 -79.482590000000 Ontario Durie Street Bench Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-08-16 There were 22 milkweed plants. 454 43.660850000000 -79.476720000000 Ontario NW Corner of Fairview Ave at Annette St Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-08-16 449 45.420230000000 -75.695620000000 Ontario East Ottawa Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-15 This year they are infested (see pic) at this site. They weren\$apos;t last year. 446 43.831710000000 -79.307900000000 Ontario Welcome Centre Immigrant Services - Markham South Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-09 Before the heavy rain, I moved four small caterpillars to this location. After the heavy rain, a co-worker observed this one. 444 44.012420000000 -78.684500000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-08-08 445 43.531450000000 -79.623850000000 Ontario LPSS front yard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-07 2 caterpillars and 1 monarch butterfly ; I will watch for eggs. 442 43.831280000000 -79.306450000000 Ontario Hollywood Square (Formerly Kennedy Fields Plaza) Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-05 There were 13 common milkweed plants. A few plants had the seed pods growing (not ready for harvest.) There were 2 milkweed bugs (one is in the photo.) 443 45.293160000000 -79.705640000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2018-08-04 441 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-02 437 45.043120000000 -75.656170000000 Ontario Ferguson Forest Centre Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-08-01 439 45.043120000000 -75.656170000000 Ontario Ferguson Forest Centre Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-08-01 27 monarch caterpillars counted in this patch of milkweed. The milkweeds are dispersed along a 200 m stretch between an agricultural field and a drainage ditch at the Ferguson Forest Centre. Last night$apos;s count found caterpillars in various stages of deve 440 45.043120000000 -75.656170000000 Ontario Ferguson Forest Centre Milkweed (species not known) 11-50 Extensive patch 2018-08-01 27 monarch caterpillars observed in a 200 m stretch of variously dispersed milkweed plants. Plants are located between a field (clover/bee hives) and a drainage ditch. 436 44.905910000000 -76.339090000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-08-01 Looks like the deer have been in the milkweed patch, some tops completely eaten off 438 43.904170000000 -78.687450000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-31 434 43.982710000000 -79.990910000000 Ontario hockleycrest Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-07-31 Some plants still in bloom, others already forming seed pods. Lots of adult monarchs seen, plus a caterpillar. 435 43.986090000000 -79.987010000000 Ontario mother of god Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-07-31 Some plants still in bloom, others already forming seed pods. Lots of adult monarchs seen, plus a caterpillar. There are easily several hundred plants in this location 433 44.016520000000 -78.684500000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-29 458 46.764550000000 -72.556330000000 Quebec Lac Trottier Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-28 10 caterpillars (and lots of poop!) in a cluster of about 6 common milkweed plants along rural roadside. Also observed 3 butterflies flitting about, but couldn$apos;t get a decent picture. 459 46.764550000000 -72.556330000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-28 10 caterpillars (and lots of poop!) in a cluster of about 6 common milkweed plants along rural roadside. Also observed 3 butterflies flitting about, but couldn$apos;t get a decent picture. 429 43.701880000000 -79.326860000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-07-27 426 43.418370000000 -79.788870000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-26 Bronte Provincial Park 427 43.407040000000 -79.772190000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-26 Bronte Provincial Park parking lot A 428 43.407040000000 -79.772190000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-26 Bronte Provincial Park parking lot A 425 48.492130000000 -81.190240000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-25 On the border of a drainage ditch at the start of the Porcupine Lake Prospector Trail. First plants seen last year but got destroyed by city construction. About 10 - 12 plants are restarting this summer. 4 Caterpillars observed. 421 43.693360000000 -79.305450000000 Ontario Chisholm Ave Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-07-24 422 43.693360000000 -79.305450000000 Ontario Chisholm Ave Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2018-07-24 424 44.012420000000 -78.684500000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-24 431 43.831740000000 -79.307880000000 Ontario Welcome Centre Immigrant Services - Markham South Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-24 There is also a patch of dog-strangling vine nearby because it is an undisturbed space (near a plaza and parking lot) 432 43.831710000000 -79.307900000000 Ontario Welcome Centre Immigrant Services - Markham South Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-24 420 43.693360000000 -79.305450000000 Ontario Chisholm Ave Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-24 419 46.881790000000 -71.239120000000 Quebec 1768 rue Édith Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-22 418 46.881790000000 -71.239120000000 Quebec 1768 rue Édith Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-20 401 43.849150000000 -79.359310000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-17 402 43.849150000000 -79.359310000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-17 409 43.849010000000 -79.359520000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-17 This is the first time we saw and observed about a 10 milkweeds. 410 43.849010000000 -79.359520000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-17 This is the first time we saw and observed about a 10 milkweeds. 411 43.849010000000 -79.359520000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-17 This is the first time we saw and observed about a 10 milkweeds. 412 43.849010000000 -79.359520000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-17 This is the first time we saw and observed about a 10 milkweeds. 405 43.848450000000 -79.362330000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-17 406 43.848950000000 -79.359820000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-17 some were near a pond 407 43.848680000000 -79.359700000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-17 Actully a dog strangler (Bills house) 408 43.848680000000 -79.359700000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-17 Actully a dog strangler (Bills house) 413 43.847550000000 -79.363790000000 Ontario welcome centre youth Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-17 399 43.913270000000 -81.235070000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-07-17 400 43.848960000000 -79.358920000000 Ontario the pond Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-16 403 43.848010000000 -79.363930000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-16 lots of milkweeds 447 45.049850000000 -78.313240000000 Ontario Miskwabi Lake Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-16 From June 25 - August 08, 2018 have seen many plants (100\\\$apos;s) along Trapper\\\$apos;s Trail Rd., Haliburton,K0M 1SO and 50+ Monarchs whereas for 2016 and 2017, June - September, the milkweed was present but < 5 Monarchs each year. 404 43.846880000000 -79.363390000000 Ontario the field with cows Other known species 2-10 Small patch of plants, up to 10 2018-07-16 the plant is dog strangling vines 396 44.338860000000 -78.301200000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-15 393 46.254540000000 -83.870490000000 Ontario 8th street Hilton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-15 I counted 7 monarch caterpillars on milkweed plants. Evidence of feeding on other plants as well. 395 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-15 414 45.435540000000 -75.577560000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-15 394 43.936380000000 -78.887800000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-07-14 I have seen at least six monarch butterflies trying to navigate the periphery of Cedar Valley Conservation Area. There are rare swamp milkweed plants but they are being choked out by massive swathes of strangling dog vine. It is devastating to see this. I 391 46.254540000000 -83.870490000000 Ontario 8th street Hilton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-13 Observed 2 adult butterlies, 15 caterpillars and 1 chrysalis 392 46.255830000000 -83.870460000000 Ontario Cohen$apos;s beach Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-13 Observed 2 adult butterlies, 4 caterpillars and 1 chrysalis 397 43.329880000000 -80.454250000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-13 388 44.012420000000 -78.684500000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-12 390 46.881770000000 -71.239130000000 Quebec Burns Garden QC Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-12 387 44.012220000000 -78.683600000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-11 389 46.881770000000 -71.239130000000 Quebec Burns Garden QC Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-10 386 46.255830000000 -83.870460000000 Ontario Cohen$apos;s beach Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-10 two caterpillars seen feeding. One chrysalis on the underside of an overturned kayak. 385 45.573610000000 -75.442440000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-07-10 Milweed growns beyond my backyard fence and I have introduced it in my flower beds. This week I saw three monarchs which I had not seen in over 10 years for sure. In the fall, I scatter seeds wherever I can. Good luck 384 45.721500000000 -65.514420000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-07-09 373 46.254540000000 -83.870490000000 Ontario 8th street Hilton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 374 46.252680000000 -83.876020000000 Ontario Steiner property Hilton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 open grassland area near Hwy. 548. 375 46.294500000000 -83.928590000000 Ontario Canoe Point Road near Shale Rd Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 376 46.255830000000 -83.870550000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 Plants are located on sand/gravel beach. One caterpillar observed feeding. 377 46.254540000000 -83.870490000000 Ontario 8th street Hilton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 Observed 2 caterpillars feeding 378 46.255830000000 -83.870460000000 Ontario Cohen$apos;s beach Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 4 caterpillars were seen 379 46.255830000000 -83.870460000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-08 4 caterpillars were seen 381 43.938500000000 -79.472040000000 Ontario My Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2018-07-08 382 46.881790000000 -71.239120000000 Quebec 1768 rue Édith Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-08 380 43.226780000000 -81.906960000000 Ontario L-lake Ausable Bayfield conservation area Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-07-07 383 44.594140000000 -76.483670000000 Ontario By Salem Dump Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-07 I saw a few leaves curled over, so some sort of larva was there. I also saw a number of chewed leaves 423 43.693360000000 -79.305450000000 Ontario Chisholm Ave Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-07 468 43.755390000000 -79.186150000000 Ontario Guildwood Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-06 Many eggs taken by a \"ButterflyRanger\" for a safer hatching and metamorphosis. 398 44.631610000000 -81.270580000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-07-04 Milkweeds on beach dunes 371 43.899770000000 -78.676000000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-02 415 46.095650000000 -64.793620000000 New Brunswick High St Moncton Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-01 416 45.368350000000 -66.229320000000 New Brunswick Jan and Rays Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-01 417 45.304370000000 -66.189220000000 New Brunswick Blueberry Hill Lagoon Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-07-01 547 45.920900000000 -79.987220000000 Ontario Port Loring Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-07-01 370 45.610610000000 -80.534580000000 Ontario Bayfield Inlet, Georgian Bay Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-06-29 The Milkweed plants are in front of our cottage. We keep them watered, so each year our patch increases in size. We watch carefully for Monarchs. Last year we only saw one, late in the summer. It was tattered and faded but laid some eggs on our plants 369 43.942330000000 -78.431990000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-28 Grass patch next to pet area at an ONRoute. 372 44.016960000000 -77.155580000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-06-28 In an uncultivated pasture - left wild 365 43.967470000000 -77.227620000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-26 368 43.899130000000 -77.253360000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-26 Sited along road$apos;s edge, driving very close to the water$apos;s edge. 366 43.903400000000 -77.273270000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-06-26 Grassland near the edge of a mixed forest - too much poison ivy to look for evidence of monarch - in a provincial park. 367 43.892840000000 -77.276210000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-06-26 Grassland very near to Lake Ontario 364 44.022800000000 -77.208270000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-26 363 43.553780000000 -79.636510000000 Ontario Credit River, Port Credit Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-06-25 I live on the Credit River and planted the swamp Milkweed to try to attract pollinators and to reintroduce native species to the river 362 43.374450000000 -79.752010000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-24 360 43.358130000000 -80.329090000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-23 361 43.358130000000 -80.329090000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-23 494 43.689830000000 -79.315730000000 Ontario 333 Queensdale Ave Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-22 359 42.779660000000 -80.417310000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-22 358 43.663470000000 -79.472790000000 Ontario Palmer-Rolfe Residence Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-21 356 46.020700000000 -65.045060000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-20 357 46.082240000000 -64.777590000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-20 347 43.233450000000 -81.793990000000 Ontario Greenway Rd., Trout Pond Milkweed (species not known) 11-50 Extensive patch 2018-06-18 Remember do not chop the milkweed plqnts 345 43.642430000000 -79.384080000000 Ontario Bremner Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-06-16 Small garden of mostly milkweed welcoming monarchs in town for a Blue Jays game. 346 43.642430000000 -79.384080000000 Ontario Bremner Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-06-16 Small garden of mostly milkweed welcoming monarchs in town for a Blue Jays game. 352 43.981900000000 -79.986640000000 Ontario hockleycrest east Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-16 349 43.986090000000 -79.987010000000 Ontario mother of god Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-15 350 43.968420000000 -79.983470000000 Ontario Mathilda$apos;s Way Bruce Trail Conservancy property Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-15 493 42.838600000000 -80.318080000000 Ontario Fank\\\$apos;s garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-15 344 43.416560000000 -80.408480000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-15 348 43.982710000000 -79.990910000000 Ontario hockleycrest Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-15 351 44.501290000000 -80.636240000000 Ontario Bruce Trail Blantyre Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-14 343 43.236240000000 -81.799680000000 Ontario Greenway Road farm Milkweed (species not known) 11-50 Extensive patch 2018-06-12 341 42.794530000000 -81.187770000000 Ontario Waterworks Park Milkweed (species not known) 11-50 Extensive patch 2018-06-10 342 45.145610000000 -81.571550000000 Ontario W Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-10 Approximately 7 plants in this spot last year. There are 2 smaller patches nearby.. One in top left corner of photo, another not shown on the right with over 10 plants. This is the most milkweed we have seen on the property since it was purchased in 1990 340 43.769062300000 -80.832500700000 Ontario Alma Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-09 339 43.476080000000 -80.556260000000 Ontario Columbia Park rocks Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-08 336 43.467790000000 -80.532500000000 Ontario Waterloo Park near soccer field Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-07 338 43.462410000000 -80.515850000000 Ontario St. Louis parking lot bed Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-07 335 43.469220000000 -80.537650000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-07 UW may be persuaded not to mow the plants down..? 337 43.463290000000 -80.515960000000 Ontario Allen/Willow front yards Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-07 332 43.165120000000 -79.240800000000 Ontario Salem Chapel British Episcopal Methadist Church Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-06 333 43.794870000000 -79.936660000000 Ontario Inglewood on Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2018-06-05 334 43.794870000000 -79.936660000000 Ontario Inglewood on Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2018-06-05 331 43.864960000000 -79.861830000000 Ontario Home Milkweed (species not known) 11-50 Extensive patch 2018-06-05 353 46.027010000000 -73.442080000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-06-04 330 45.535120000000 -79.142980000000 Ontario Scarborough Outdoor Education School Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-04 495 43.248140000000 -81.676900000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-06-01 I planted more seeds last fall and rescued about 20 caterpillars and ya e them to my friend as she raises over 200+ every year and let’s them go I see new plants starting to sprout in my garden now for this year and plants last year are coming back 328 43.848550000000 -79.962640000000 Ontario Caledon S&G Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2018-05-06 Land is owned by a gravel company, being held for future aggregate extraction. The Bruce Trail, a public footpath, passes through the property with owner\\\$apos;s permission. 326 49.884788212524 -88.506835937500 ON test Milkweed (species not known) 2-10 Small patch of plants, up to 10 2018-04-01 Test 325 43.138300000000 -80.761080000000 Ontario Our home Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2018-03-30 Our garden in 2017 324 43.883930000000 -79.700240000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-03-23 Thousands of milkweed plants and hundreds of monarchs each year in this conservation area meadow. Unfortunately the Toronto Region Conservation Area plowed the meadow in 2017 and planted coniferous tree seedlings. We expect the milkweed will continue to t 322 43.982710000000 -79.990910000000 Ontario hockleycrest Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-03-20 Regenerating old field 323 43.986090000000 -79.987010000000 Ontario mother of god Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-03-20 Regenerating old field 312 50.223820000000 -119.202950000000 British Columbia Kalamalka Rd., Vernon, BC Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 11-50 Extensive patch 2018-02-23 311 49.200840000000 -119.834000000000 British Columbia Keremeos, Similkameen R. Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 11-50 Extensive patch 2018-02-23 430 43.831710000000 -79.307900000000 Ontario Welcome Centre Immigrant Services - Markham South Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2018-01-01 354 46.081330000000 -64.786320000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-01-01 355 46.129280000000 -64.859420000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-01-01 448 43.356420000000 -80.389750000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2018-01-01 310 49.357190000000 -102.893560000000 Saskatchewan na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-12-20 milkweed is along long creek near oungre, sk. 309 48.916720000000 -102.424220000000 Saskatchewan na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-12-20 milkweed is in my garden on my farm 308 49.884788212524 -88.506835937500 ON test Milkweed (species not known) 1 Single plant, growing alone 2017-12-16 Test 307 43.459210000000 -80.592210000000 Ontario Sundew 1B North / South Ponds Geotrail path going east towards forest Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-12-15 305 43.459650000000 -80.594660000000 Ontario Sundew 1B North Pond North side at small asphalt side path Milkweed (species not known) 11-50 Extensive patch 2017-12-15 306 43.459680000000 -80.593660000000 Ontario Sundew 1B North Pond North Side both sides perimeter path edge going east towards main drain Milkweed (species not known) 11-50 Extensive patch 2017-12-15 304 43.463640000000 -80.601160000000 Ontario Sundew - Autumn Willow park north west ridge Milkweed (species not known) 11-50 Extensive patch 2017-12-14 Winter plant count. As the sumac grows up the hill the milkweed will be pushed along or it may become overwhelmed with the shade and die out. Evidence of ample seeding which will have to be managed to keep the milkweed ahead of the sumac and stay in the 299 43.460590000000 -80.593770000000 Ontario Columbia Forest Pond 1 NE Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-12-12 Meadow edge of forest and vernal pond. On embankment of trail. 300 43.460240000000 -80.593340000000 Ontario Trail from Sundew 1A Pond to Sundew 1B Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-12-12 Meadowy edge of forest on trail. I$apos;ve seeded the area in the past. 302 43.460590000000 -80.593770000000 Ontario Columbia Forest Pond 1 NE Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-12-12 Meadow edge of forest and vernal pond. On embankment of trail. 301 43.459020000000 -80.594070000000 Ontario Sundew 1B North / South Pond separator embankment Milkweed (species not known) 11-50 Extensive patch 2017-12-12 Both sides of embankment between Sundew 1B North and South ponds. Patch starts near middle of embankment and runs west towards the Sundew road subdivision. 303 43.458710000000 -80.595030000000 Ontario Sundew 1B North / South Ponds west embankment Milkweed (species not known) 11-50 Extensive patch 2017-12-12 Runs North/south along water side of meadow buffer between ponds and houses. I have seeded this area in the past. 298 43.463500000000 -80.584490000000 Ontario Columbia Forest Pond 1 NE Milkweed (species not known) >50 large area of milkweed plants 2017-12-12 > 70 plants found in NE quadrant on embankment and >70 plants on opposite side of trail on slope leading down to creek. 296 43.462540000000 -80.586790000000 Ontario NE Salzburg Pond 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-12-10 The plant is opposite the footbridge over the stream and on the trail which is edged by the pond embankment and an expanse of small trees, shrubs and meadow. 297 43.462540000000 -80.586790000000 Ontario NE Salzburg Pond 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-12-10 The plant is opposite the footbridge over the stream and on the trail which is edged by the pond embankment and an expanse of small trees, shrubs and meadow. 294 43.463400000000 -80.584610000000 Ontario SE Columbia Forest Pond 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-12-10 I$apos;ve used some milkweed pods from these plants to seed near CFP2 and Sundew Pond 1 295 43.463370000000 -80.586300000000 Ontario NW Columbia Forest Pond 1 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-12-10 I\$apos;ve used some milkweed pods from these plants to seed near CFP2 and Sundew Pond 1 292 44.148770000000 -81.003940000000 Ontario Drive In Road Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-11-28 291 44.362410000000 -79.696680000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2017-11-28 Strip of land between highway and road 289 43.329310000000 -79.843190000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-11-22 290 43.329310000000 -79.843190000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-11-22 285 43.000000000000 -79.000000000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-11-15 Small group of 2-3 plants on left of walkway, single plant on right. 282 51.135240000000 -86.247060000000 Ontario Carluke,Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-11-14 Saw 3 caterpillars on one plant. Did not check other plants. Next day the caterpillars were gone. I usually see some monarchs on red clover when I am cutting hay in September. Plants are found along the margins of. a field and pasture.(correct error i 281 51.135240000000 -86.247060000000 Ontario Carluke,Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-11-14 Saw 3 caterpillars on one plant. Did not check other plants. Next day the caterpillars were gone. I usually see some monarchs on red clover when I am cutting hay in September. 278 44.057520000000 -77.158630000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-11-10 277 42.834740000000 -82.214760000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-11-10 276 42.834910000000 -82.237670000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-11-10 272 43.163550000000 -79.248900000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-11-05 This patch is growing in front of my house in downtown St Catharines. There is a plot of land approximately 16m x 4m between the sidewalk and the road that I have been leaving fallow for about four years. The patch of milkweed has grown over the past th 271 43.955010000000 -78.174090000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-11-04 262 42.288690000000 -83.003920000000 Ontario Ford Essex Grassland Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-11-03 Along Essex Way Windsor Ontario. I\\\\\\\\\\\\\\\$apos;ve seen two Monarchs here. I\\\\\\\\\\\\\\\$apos;ve seen a large Monarch caterpillar on a plant here in the early part of October this year. 260 42.358040000000 -82.128120000000 Ontario My garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-11-02 255 42.953980000000 -81.427660000000 Ontario tiny patch down from Hoskin’s Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-11-01 256 42.951830000000 -81.431240000000 Ontario Railway Ave Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-11-01 257 42.961230000000 -81.411950000000 Ontario ‘No-spray’lady’s garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-11-01 254 42.962020000000 -81.413810000000 Ontario Beside tracks on Coldstream Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-11-01 258 43.014190000000 -81.176560000000 Ontario Shaw’s Dental Lab Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-11-01 Noticed this patch when driving to the airport. It’s beside a sidewalk near the entrance to this business. Not sure if it is a maintained garden. 259 42.930940000000 -81.657180000000 Ontario crossroads Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-31 250 44.269620000000 -81.544130000000 Ontario 4 Argyle St., Tiverton, Ont Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-29 Growing in one of our flower gardens. It had at least 1 caterpillar feeding on it this early fall. 238 43.678540000000 -79.318220000000 Ontario 287 Gainsborough Road Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-27 This is our front yard. In the four years we have lived here we have had milkweed and do not remove it. Each year the number of plants grows. This year there are 10 plants. 241 44.117460000000 -79.843500000000 Ontario New Tecumseth Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-27 239 44.054040000000 -80.276410000000 Ontario Amaranth Milkweed (species not known) 11-50 Extensive patch 2017-10-27 240 44.054040000000 -80.276410000000 Ontario Amaranth Milkweed (species not known) 11-50 Extensive patch 2017-10-27 242 42.958460000000 -81.449070000000 Ontario Just past the tracks on Komoka Road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-27 243 42.948980000000 -81.474670000000 Ontario The end of Melrose Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-27 244 42.968060000000 -81.355590000000 Ontario Across from the McCormick Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-27 245 42.961790000000 -81.413140000000 Ontario George Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-27 246 42.961790000000 -81.413140000000 Ontario George Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-27 247 42.961670000000 -81.412920000000 Ontario George$apos;s field Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-27 235 49.884788212524 -88.506835937500 ON test Milkweed (species not known) 1 Single plant, growing alone 2017-10-26 Test 236 49.884788212524 -88.506835937500 ON test Milkweed (species not known) 1 Single plant, growing alone 2017-10-26 Test 229 43.404350000000 -80.419310000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-26 231 43.393370000000 -80.413310000000 Ontario Old Mill Road Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-10-26 232 58.447730000000 -121.891940000000 Ontario Bruce$apos;s Caves Road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-26 227 43.455430000000 -80.574020000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-26 228 43.403870000000 -80.424530000000 Ontario Office- Central Ontario Developmental Riding Program Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-26 251 43.517750000000 -80.522530000000 Ontario Health Valley Trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-26 252 42.970038900000 -81.208677222222 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-25 221 44.362400000000 -80.838350000000 Ontario home Milkweed (species not known) >50 large area of milkweed plants 2017-10-25 We haven\\\$apos;t noticed as many butterflies this year, but that may just be that we weren\\\$apos;t looking. We do make a conscious effort not to mow milkweed, 220 44.606750000000 -80.601350000000 Ontario Front garden Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-24 234 44.996670000000 -64.919100000000 Nova Scotia na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-24 218 45.186820000000 -76.454640000000 Ontario Property Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-23 216 43.371120000000 -80.950540000000 Ontario Stratford Golf and Country Club Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-22 274 44.662540000000 -79.830730000000 Ontario Woodland Beach, Tiny Twp. Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-22 We have had monarch here for years. Less now but still some. Sorry, cannot figure out how to attach picture. Will email it to you. 200 52.482780000000 -94.141850000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-22 201 49.772150000000 -97.620490000000 Manitoba Starbuck, Manitoba Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-22 There were monarch butterflies, caterpillars, and chrysalis all year - just not right now as it$apos;s the end of October. 203 43.464760000000 -80.586070000000 Ontario Butternut Path Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-22 One of several locations in this area of Waterloo where I have been repeatedly seeding. I have gathered seed pods for another annual period of seeding in the various meadows and forest edges. 217 43.365870000000 -80.956940000000 Ontario stratford dog park Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-22 dog park is on public park grassland with irrigation ditch ...industrial to south and north 194 43.559230000000 -80.451110000000 Ontario Cox creek road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-21 197 43.685210000000 -79.320060000000 Ontario Chez Parekh Garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-21 202 45.631300000000 -75.941840000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-21 In Gatineau park, close to path on the way to Browns lake 191 52.052490000000 -90.802000000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2017-10-21 198 46.551310000000 -84.326250000000 Ontario West end Ssult Ste Marie Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-21 187 43.874480000000 -80.444710000000 Ontario Clonmel Farm Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata >50 large area of milkweed plants 2017-10-20 188 43.498720000000 -80.555650000000 Ontario Lakeshore Optimist Park Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-20 190 43.776010000000 -79.369390000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-20 189 43.772280000000 -79.364210000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-20 Approximately 24 plants 184 43.456910000000 -80.557040000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-19 186 43.470030000000 -80.599660000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-19 172 43.467680000000 -80.299340000000 Ontario na Milkweed (species not known) 1 Single plant, growing alone 2017-10-18 174 43.437780000000 -80.298480000000 Ontario na Milkweed (species not known) 1 Single plant, growing alone 2017-10-18 170 43.192820000000 -81.858830000000 Ontario 9396 Gordon Rd. Thedford, ON Milkweed (species not known) 11-50 Extensive patch 2017-10-18 171 43.192820000000 -81.858830000000 Ontario 9396 Gordon Rd. Thedford, ON Milkweed (species not known) 11-50 Extensive patch 2017-10-18 176 43.440200000000 -80.511170000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-18 177 47.040180000000 -82.792970000000 Ontario Conestogo Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-18 We grown them for the monarchs, we had at least one successful butterfly , this is the first year we have seen at least 6 caterpillars . Two of the cacoons were destroyed we think by ants. 178 47.040180000000 -82.792970000000 Ontario Conestogo Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-18 They grow around the ponds on the Conestoga Golf Course. 179 47.040180000000 -82.792970000000 Ontario Waterloo Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-18 181 44.309950000000 -80.483170000000 Ontario Lake Eugenia Milkweed (species not known) 11-50 Extensive patch 2017-10-18 I\$apos;ve seen more milkweed this year and is just starting to seed - I am upset that a resident grades the Lane the milkweed grows and every time he grades the Lane he tries to make the Lane wider and is destroying the new growth of the milkweed - for som 293 44.139720000000 -80.988490000000 Ontario Across from residential Milkweed (species not known) 11-50 Extensive patch 2017-10-18 162 42.956670000000 -81.444040000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-18 Found at roadside , in field, in mixed forest, and at back of property beside creek. I live on 50 acres. 164 42.939370000000 -81.424180000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-18 A number of patches along side of road. Have checked this area for past 3 years and caterpillars (many) only ever found on west side of road despite there being more plants on the east side. 175 43.233450000000 -81.793990000000 Ontario Greenway Rd., Trout Pond Milkweed (species not known) >50 large area of milkweed plants 2017-10-18 157 42.912690000000 -81.425170000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2017-10-17 163 42.911680000000 -81.447440000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-17 A number of patches on side of 402 between Delaware and Komoka turnoff. 155 43.163150000000 -79.243260000000 Ontario Community Care Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-17 156 43.159100000000 -79.240490000000 Ontario Bond and Race Street Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-17 141 44.006130000000 -80.059290000000 Ontario Dunby Rd., Mono, ON Milkweed (species not known) >50 large area of milkweed plants 2017-10-16 This location is our private property - it consists of about 20 acres of grassy meadow containing lots of milkweed. 131 45.152580000000 -79.752730000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-15 132 45.152400000000 -79.756060000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-10-15 137 43.487220000000 -80.589480000000 Ontario Conservation Meadows. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-15 138 43.487220000000 -80.589480000000 Ontario Conservation Meadows. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-15 120 43.878350000000 -79.726990000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-14 Saw a Monarch feeding several days in a row on the echinacea in backyard this year 125 43.026580000000 -81.530170000000 Ontario Driveway Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-14 Noticed \$apos;chewed\$apos; area of the leaves. We\$apos;ve had Milkweed out here for years. USED to see caterpillars and Monarchs all the time. But now: rarely. :(. We would like to spread the seeds and grow more milkweed. But I understand it\$apos;s not that eas 126 43.189330000000 -79.888910000000 Ontario Home garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-14 133 43.728930000000 -80.950330000000 Ontario River Flats behind House. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-14 River Flats behind our property. Municipal Property. 160 43.682790000000 -79.283520000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-14 122 42.968250000000 -81.600510000000 Ontario Residence Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-14 127 43.480270000000 -80.789070000000 Ontario Siegner Lane Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-14 128 42.954080000000 -85.519730000000 Ontario my house in Michigan Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-14 Also a few swamp milkweed (about 5). 121 45.272910000000 -79.318670000000 Ontario 187 North Lancelot Road Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-14 124 44.178880000000 -80.676770000000 Ontario South Line A, Priceville Milkweed (species not known) >50 large area of milkweed plants 2017-10-14 There are many plants in the back acres that we protect 130 43.663240000000 -79.738280000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2017-10-14 industrial area of Brampton, Ontario. Orenda Rd & West Dr. without a moment a monarch butterfly isn$apos;t in view. There are hundreds if not thousands daily fluttering over and around the area. The milk weeds are deep in the thick. 159 43.666340000000 -79.295300000000 Ontario Kew Beach Dog Park Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-14 161 43.670270000000 -79.284070000000 Ontario Bottom of Silver Birch Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-14 86 45.438210000000 -65.930030000000 New Brunswick Model Farm Rd. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-13 many common milkweed with evidence of all stages of monarchs 85 45.430020000000 -65.891360000000 New Brunswick Hammond RIver Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 Many, many common milkweed with evidence of all stages of monarchs 84 45.406590000000 -65.965220000000 New Brunswick Private garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 private garden growing 3 types of milkweed - common, swamp and tropical (not very successful) Has monarchs and raised/tagged them 83 45.393630000000 -65.983540000000 New Brunswick Station Rd. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 Railway 89 43.834280000000 -80.500650000000 Ontario Copernicus Educational Products Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 Area around company building is naturalized. Long grasses/wildflowers/milkweed/coniferous trees 94 45.469760000000 -76.026760000000 Ontario 3215 Greenland Rd, Dunrobin ON Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 96 42.978150000000 -81.592710000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2017-10-13 98 44.861660000000 -76.193630000000 Ontario Oliver$apos;s Lot Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 We have a ton of milkweed all around our 16 acres. Primarily nearest the highway. http://mymuskoka.blogspot.ca/search/label/milkweed 99 44.861660000000 -76.193630000000 Ontario Oliver$apos;s Lot Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 We have a ton of milkweed all around our 16 acres. Primarily nearest the highway. http://mymuskoka.blogspot.ca/search/label/milkweed There is much along the ditches and in empty fields nearby, as well. 101 44.843940000000 -76.458060000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-13 Drive-by shooting, common in this area. 90 43.028860000000 -81.482620000000 Ontario Roadside by Lake Lou Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 91 43.454080000000 -80.544700000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 97 44.260240000000 -77.804730000000 Ontario Meyer$apos;s Island Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 105 43.172220000000 -79.210300000000 Ontario Bunting Road St.Catharines Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 106 43.387900000000 -80.456500000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 108 43.162700000000 -79.229450000000 Ontario Queenston Street St.Catharines Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 110 43.445600000000 -80.515250000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 113 43.446980000000 -80.518110000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 Railway tracks and the back of light industrial 115 43.997440000000 -79.469070000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-10-13 I have planted swamp milkweed, eight butterfly weed plants and a joe pye weed plant on the stream bank of my property 116 43.997810000000 -79.469180000000 Ontario na Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-10-13 Tannery Creek runs through a EP protected marsh behind our house, private property of a neighbor on Mill Street. The creek flooded twice this year and the amount of swamp milkweed seems to have more than double from last summer. 180 42.803348200000 -80.981336100000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-13 I took my kids to Clovermead in Aylmer Ontario and I found milkweed there!!! 92 43.455040000000 -80.532340000000 Ontario Empire Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-13 100 43.487220000000 -80.589480000000 Ontario Conservation Meadows. Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-13 As noted below. If you walk down the sidewalk on Conservation Drive, right across the street from the trailer park storage parking, as you approach the paved construction road(with the double hydro polls) the milkweed is within 2 feet of the sidewalk. 107 44.238710000000 -79.652480000000 Ontario Woodsview Milkweed (species not known) 11-50 Extensive patch 2017-10-13 We have 25 acres and lots of milkweed grow in our south field/paddock. 111 56.752720000000 -69.812620000000 Ontario Fallbrook, ON Milkweed (species not known) 11-50 Extensive patch 2017-10-13 112 48.492300000000 -81.190380000000 Ontario Prospectors Trail sign Porcupine Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-13 Photo credit to Roxanne Filion of Porcupine-date July 2017. Approx 32 plants-Majority are young plants no pods, harvested 14 pods from tops of taller plants (about 4 ft tall) with thicker stems-Plan to leave opened pods just below the surface in visible 118 43.647200000000 -79.478200000000 Ontario 82 Lavinia Avenue Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-13 119 44.655570000000 -77.111150000000 Ontario my backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-13 72 50.847570000000 -85.517580000000 Ontario Bearinger rd. near Laurel Creek & Canada Trail, bordering Laurel Conservation Reservoir Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-12 small patches widely spread 67 43.448240000000 -80.512590000000 Ontario Raddatz park Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-10-12 69 43.449430000000 -80.498380000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-10-12 60 43.415610000000 -80.695150000000 Ontario Foxboro Green Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-12 68 43.445750000000 -80.498710000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-12 70 43.468520000000 -80.482060000000 Ontario 45 Birch Ave. Kitchener Ontario Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-12 75 43.371180000000 -80.428230000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-12 261 43.510970000000 -80.217620000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-12 56 43.467800000000 -80.570430000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-12 59 43.384860000000 -80.411670000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2017-10-12 61 43.344190000000 -80.528470000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-12 65 43.451426000000 -80.483535000000 Ontario 91 Scott St Kitchener Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-12 In addition to the milkweed, there are a number of cup plants (Silphium perfoliatum) and rose of sharon (Hibiscus syriacus) that monarchs (and painted lady moths) also frequent. 78 45.045940000000 -79.063900000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-12 Found eggs and caterpillars in this patch. There are many patches along Bird Lake Rd., Bracebridge as well as Boyes Heritage Rd., Bracebridge 55 47.115800000000 -79.787580000000 Ontario White Bear Temagami Milkweed (species not known) >50 large area of milkweed plants 2017-10-12 There are thousands of plants along \$apos;The Trans-Canada Pipeline\$apos; which runs north from North Bay and beyond. They can be viewed through the many service roads which are used to access the pipeline. 76 43.371180000000 -80.428230000000 Ontario na Butterfly weed (found in ON, QC) Asclepias tuberosa >50 large area of milkweed plants 2017-10-12 77 43.371460000000 -80.426880000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-12 79 45.000130000000 -79.322910000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-12 Have seen monarchs in this area. Have not checked the milkweed in the past for eggs or caterpillars. 117 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-12 Have seen monarchs in this area. Have not checked the milkweed in the past for eggs or caterpillars. 49 43.526680000000 -80.544400000000 Ontario Old Scout Place Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-11 136 44.886380000000 -78.707450000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-11 Milkweed has been growing around the old barn and hayfields of the Barry farm for at least 50 years, as long as I\$apos;ve been going there. Nice numbers of common milkweed this year, with the good rains we had earlier in summer. 153 44.465150000000 -94.317630000000 Ontario Confederation park Milkweed (species not known) >50 large area of milkweed plants 2017-10-11 Hello, So happy to have found you. Where I used to walk there were hundreds of butterflies and milkweed plants, but the city of Hamilton, Ontario has plan d to mow down this field to make another grass field for playing games on. We have playing field 154 44.465150000000 -94.317630000000 Ontario Confederation park Milkweed (species not known) >50 large area of milkweed plants 2017-10-11 Hello, So happy to have found you. Where I used to walk there were hundreds of butterflies and milkweed plants, but the city of Hamilton, Ontario has plan d to mow down this field to make another grass field for playing games on. We have playing field 48 43.513900000000 -79.642510000000 Ontario 1330 Lewisham Drive Butterfly weed (found in ON, QC) Asclepias tuberosa 1 Single plant, growing alone 2017-10-11 44 43.468940000000 -80.537640000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-11 47 43.463180000000 -80.516020000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-11 50 43.530840000000 -80.551380000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-11 53 52.802760000000 -70.515750000000 Ontario 170 St. Leger Street, Kitchener Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-11 This is at a business. They have seeded themselves for about 5 years. We have a sign set up that says \"Do not pick the milkweed\". It is flourishing. 109 51.253770000000 -85.323210000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2017-10-11 I am in Ariss, Ontario and I have a patch of milkweed that I have encouraged for the past few years. I have seen the eggs, caterpillars and the Monarch butterflies at the plants. A lady in Powasson, On got me interested. She has an large area of milk 54 43.429630000000 -80.408490000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-10 169 42.883400000000 -78.928700000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-10 At the East end of Waverly Beach Park at the end of Lakeshore Rd. Coordinates not exact. Dozens of monarchs feeding on wild flowers, not milkweed, before migrating across Lake Erie. Area currently under threat of housing development!!!!! 183 43.461580000000 -80.517550000000 Ontario 37 Allen Street East Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-10 45 43.463110000000 -80.508410000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-10-09 46 43.463110000000 -80.508410000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-10-09 58 45.703060000000 -82.198010000000 Ontario 209 Cress Rd, Mindemoya Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-09 41 43.045731900000 -81.245849200000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-10-08 42 42.984923300000 -81.245276000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-08 195 50.521250000000 -87.451170000000 Ontario Victoria Lake, Tichborne, ON Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-10-06 In open grassland. We have owned property since 2000 and live on it permanently since 2005. There has been milkweed there ever since we bought the property. 139 43.417590000000 -80.487780000000 Ontario Mclennon Park Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 1 Single plant, growing alone 2017-10-05 Over the past summer, I$apos;ve seen both more milkweed and more monarch butterflies here than I have in past years. There are several individual plants growing in various areas throughout the park. The majority of the plants are located on the East side of 14 42.994110000000 -81.288710000000 Ontario Front yard Butterfly weed (found in ON, QC) Asclepias tuberosa 1 Single plant, growing alone 2017-10-04 I planted this plant a few years ago and it is growing well. 11 42.994370000000 -81.288700000000 Ontario Backyard Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-04 I had a milkweed plant grow in a crack between my garage and sidewalk (an unsuitable location), so I tried to remove it and transplant it to my backyard. The plant keeps coming up by my garage and I keep transplanting the plant to the backyard. Over ti 12 42.994370000000 -81.288700000000 Ontario Backyard Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-10-04 I have about 4 or 5 plants of Swamp milkweed mixed in with Common milkweed. They didn$apos;t flower this year and thus didn$apos;t produce seedpods, but the leaves are furry underneath like common milkweed, and the sap is milky when the stem is broken. Maybe ne 13 42.994370000000 -81.288700000000 Ontario Backyard Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-10-04 I have about 4 or 5 plants of Swamp milkweed mixed in with Common milkweed. They didn$apos;t flower this year and thus didn$apos;t produce seedpods, but the leaves are furry underneath like common milkweed, and the sap is milky when the stem is broken. Maybe ne 15 53.487100000000 -113.554830000000 Alberta Devil\$apos;s leap trail above Rainbow valley campground Other known species 2-10 Small patch of plants, up to 10 2017-10-04 Asclepias ovalifolia I report this from previous knowledge not from observations this year 135 43.825120000000 -80.004160000000 Ontario forks of the Credit Provincial Park trails Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-10-03 Seen at the Forks of the Credit Provincial Park. On the trail past Kettle Lake toward the Bruce Trail noted a large growth of milkweed on a flat field beside the trail. Approximate area noted was around two hectares. 264 45.218830000000 -75.671500000000 Ontario Innes Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-01 266 43.835070000000 -79.139790000000 Ontario Altona Forest Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-01 267 43.835070000000 -79.139790000000 Ontario Altona Forest Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-10-01 248 43.909300000000 -78.945160000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-30 We intentionally grow the milkweeds to attract monarchs. The patch of milkweeds has grown. No monarchs seen on this date, but we saw monarchs throughout the summer. 268 43.998540000000 -80.870850000000 Ontario Minto Norman by Townline Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-29 Monarchs were numerous in our patch. When the weather was warm, we had as many as twelve immersing from their chrysalis a day. Awesome! 269 43.998540000000 -80.870850000000 Ontario Minto Norman by Townline Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-29 Monarchs were numerous in our patch. When the weather was warm, we had as many as twelve immersing from their chrysalis a day. Awesome! 74 43.896720000000 -79.156280000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-09-29 114 43.428610000000 -80.257490000000 Ontario Puslinch Tract west Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-27 Location is a reclaimed gravel pit, now owned by Grand River Conservation Authority 73 44.019780000000 -79.850100000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-09-26 102 45.429300000000 -76.352230000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-09-25 Drive-by shooting, common in this area. 103 45.298080000000 -76.714100000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-09-24 Drive-by shooting, common in this area. 219 42.974070000000 -81.243460000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-09-20 80 43.685000000000 -79.336760000000 Ontario front garden Butterfly weed (found in ON, QC) Asclepias tuberosa 1 Single plant, growing alone 2017-09-18 I planted this. 81 43.685000000000 -79.336760000000 Ontario front garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-09-18 I planted this too. Only one caterpillar seen on the entire patch this summer, though multiple monarchs came by and seemed to be laying eggs. 270 43.465750000000 -80.792500000000 Ontario 5341 Wilmot -Easthope Rd. RR1 Wellesley Ontario N0B 2T0 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-15 Agricultural land fallow for 10 years. Stage of succession is grasses, goldenrod, asters etc. Tree seedlings beginning to appear. Black walnuts, oaks, sumac. Milkweed is spreading well and monarchs seen in area every summer (last summer 2016 VERY FEW) 215 44.711670000000 -63.672180000000 Nova Scotia Bedford Railway Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-14 327 43.426260000000 -81.716700000000 Ontario Ducharme Beach Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-14 There were fewer larvae and monarch butterflies in Sept 2017 than in 2016. I have lots of other lovely photos and videos, if you would like more. 329 43.426260000000 -81.716700000000 Ontario Ducharme Beach Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-14 Photo was taken on Sept.14, 2017 104 45.092910000000 -73.150410000000 Quebec na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-09-13 Daycation trip 93 42.658200000000 -80.402070000000 Ontario Fillmore garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-09-10 87 44.085540000000 -79.337210000000 Ontario Farm meadow Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-10 This seemed very late to be finding a caterpillar. There were very few butterflies around until the very end of the summer. 321 48.537280000000 -89.597170000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-07 Along south side of CP railway tracks immediately west of bridge over the Kaministiquia River. 182 45.428080000000 -76.736830000000 Ontario McMahon Road, Renfrew Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-09-02 Area is a former farmers field that we now own. It was mostly cut in early July, with new milkweed coming up shortly after. The interesting part is that all caterpillars found (many!) were on the younger milkweed, and not the older ones (we\\\$apos;ve been 263 42.916060000000 -80.889380000000 Ontario De Dreu Farms Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-09-01 82 42.899000000000 -79.020000000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-01 I raised 11 males and 11 females this year. 168 42.867870000000 -79.051610000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-09-01 185 45.003650000000 -77.408640000000 Ontario Nicol island, Weslemkoon lake Milkweed (species not known) 1 Single plant, growing alone 2017-08-31 288 43.093000000000 -81.358820000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-08-30 Along edge of bush near grassed area, so away from chemical sprays used for crops. 64 48.317630000000 -89.332680000000 Ontario Mountain Road Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2017-08-29 318 45.352520000000 -66.013720000000 New Brunswick Villa Madonna Rd Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-29 63 43.421380000000 -80.552460000000 Ontario Waldau garden Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2017-08-22 We helped 22 monarchs chrysalid, hatch and release this summer from this area. 223 44.374240000000 -80.683780000000 Ontario Back field of hayfields farm, Berkeley ON Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-22 About one acre of field taken out of production due to spring flooding. 224 44.367240000000 -80.706870000000 Ontario Back field of Hayfields Farm, Berkeley ON Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-22 95 42.609710000000 -80.444640000000 Ontario Bird studies of Canada Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-20 317 45.390740000000 -65.999460000000 New Brunswick Rothesay Station Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-20 123 45.033540000000 -74.681970000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-08-15 206 42.937040000000 -81.411390000000 Ontario Across from Oaks Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-15 207 42.995440000000 -81.343060000000 Ontario Bellamere Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-15 211 42.909500000000 -81.418630000000 Ontario Jayne’s house Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-15 Eggs and caterpillars seen 214 42.974750000000 -81.438430000000 Ontario Near cemetery Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-15 A small patch but numerous caterpillars found here this year. 204 42.948290000000 -81.427480000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-15 205 42.937260000000 -81.412110000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-15 208 42.981230000000 -81.426610000000 Ontario Penny’s field Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-15 209 42.942040000000 -81.470130000000 Ontario Amiens Road Milkweed (species not known) >50 large area of milkweed plants 2017-08-15 Most pods on this milkweed are really skinny. May be swamp. 210 42.907750000000 -81.421440000000 Ontario Across from Jack’s Live Bait Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-15 212 42.962590000000 -81.453410000000 Ontario Jane’s field Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-15 213 42.971620000000 -81.443100000000 Ontario In front of Carla’s Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-08-15 287 48.108720000000 -80.100800000000 Quebec na Milkweed (species not known) >50 large area of milkweed plants 2017-08-15 43 54.876610000000 -97.055970000000 Ontario Carnarvon house Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-08-11 Have small patch of common milkweed. Saw 5 caterpillars this year. Have had multiple monarch sightings recently 88 44.086200000000 -79.337750000000 Ontario Garden Butterfly weed (found in ON, QC) Asclepias tuberosa 11-50 Extensive patch 2017-08-10 283 42.451460000000 -82.312620000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-08-08 284 42.451460000000 -82.312620000000 Ontario na Butterfly weed (found in ON, QC) Asclepias tuberosa 2-10 Small patch of plants, up to 10 2017-08-08 316 45.506350000000 -65.844320000000 New Brunswick Lakeside Turn Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-08-03 314 45.509720000000 -65.835280000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-08-03 222 50.653810000000 -103.619610000000 Saskatchewan na Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 11-50 Extensive patch 2017-08-01 57 43.425530000000 -79.702690000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-28 319 43.525530000000 -80.518270000000 Ontario Health Valley Trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-07-25 Multiple patches along this portion of the trail, Monarch caterpillars observed yearly for the last 4 years 196 50.521250000000 -87.451170000000 Ontario Victoria Lake, Tichborne, ON Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2017-07-24 Along the lakeshore and riverbanks on our property 237 43.816140000000 -79.123540000000 Ontario Forest heights St, Whitby, Ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-23 280 45.055345000000 -78.342346000000 ON 3189 Trappers Trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-07-23 Seen monarch butterflies in the area prior to seeing the chrysalis. 253 42.166010000000 -82.847900000000 Ontario 335 Iler Avenue Essex ON Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-07-20 Have hatched 5 monarch butterfly later in season, have had 50 to 100 plants that were eaten by caterpillers but insects or birds have eaten them before hatched so we started to gather eggs and caterpillars and put them in a container fed them saw them g 52 43.502850000000 -80.506100000000 Ontario na Milkweed (species not known) 2-10 Small patch of plants, up to 10 2017-07-18 Milkweed plants seen along colonial creek in Waterloo (public trail in marshy area). No caterpillars or chrysalis seen when I looked under the leaves. 134 51.150690000000 -86.278710000000 Ontario na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-18 I have many milkweed plants in my garden..they grow prolifically every year. This year for the first time I saw One Monarch on one of the plants, on this day. None before or since. I was excited! however, no sign of eggs or caterpillars later, even thou 140 50.258890000000 -108.010430000000 Saskatchewan na Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 11-50 Extensive patch 2017-07-16 152 48.860649275707 -91.905441284180 ON Sunshine Road 8 Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 1 Single plant, growing alone 2017-07-15 Planted here about 11 years ago along the side of an old logging road 146 48.779913757141 -91.551894187927 ON Hardy Dam - Hancock Creek Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-15 dam site 147 48.779913757141 -91.551894187927 ON Hardy Dam - Hancock Creek Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-07-15 dam site 148 48.727446114107 -91.644162178040 ON West of MTO garage Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-15 Planted here about 10 years ago 151 48.860649275707 -91.905441284180 ON Sunshine Road 8 Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-07-15 Planted here about 11 years ago along the side of an old logging road 165 48.758320000000 -91.616620000000 Ontario Atikokan Community Garden Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-15 Swamp and Common Milkweed were planted here in 2016 167 48.824500000000 -91.671340000000 Ontario West Arm, Steep Rock Lake Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 2-10 Small patch of plants, up to 10 2017-07-15 Swamp and Common Milkweed were planted here in 2016 I counted more than 2 dozen monarch caterpillars here on a single day 66 48.467370000000 -81.266530000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2017-07-15 large Patch of milkweed found along old abandoned railway 142 48.756425000000 -91.613620000000 ON Tom & Sandra$apos;s place Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-07-15 143 48.756425000000 -91.613620000000 ON Tom & Sandra$apos;s place Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2017-07-15 144 48.756425000000 -91.613620000000 ON Tom & Sandra$apos;s place Butterfly weed (found in ON, QC) Asclepias tuberosa 11-50 Extensive patch 2017-07-15 145 48.756425000000 -91.613620000000 ON Tom & Sandra$apos;s place Other known species 11-50 Extensive patch 2017-07-15 Blood flower, Asclepius curassavica, grown from seed and planted 149 48.731852441836 -91.649752694589 ON Milkweed Pond Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-07-15 Planted here about 11 years ago along the side of an old logging road 150 48.860649275707 -91.905441284180 ON Sunshine Road 8 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-07-15 Planted here about 11 years ago along the side of an old logging road 166 48.758320000000 -91.616620000000 Ontario Atikokan Community Garden Swamp milkweed (found in MB, ON, QC, NB, NS, PE, NF) Asclepias incarnata 11-50 Extensive patch 2017-07-15 Swamp and Common Milkweed were planted here in 2016 I counted more than 2 dozen monarch caterpillars here on a single day 315 45.431720000000 -65.888410000000 New Brunswick na Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-07-15 71 45.510710000000 -77.561740000000 Ontario na Milkweed (species not known) 11-50 Extensive patch 2017-07-12 51 45.767520000000 -82.149580000000 Ontario na Milkweed (species not known) >50 large area of milkweed plants 2017-07-11 I have been visiting Manitoulin Island for many many years and Milkweeds have always been plentiful and very common, especially on beaches along the Lake Huron shoreline (growing in the dunes). 279 45.055345000000 -78.342346000000 ON 3189 Trappers Trail Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-07-09 62 43.411100000000 -80.554170000000 Ontario King farm Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa >50 large area of milkweed plants 2017-07-05 We helped 22 monarchs chrysalid, hatch and release this summer from this area. 265 45.951030000000 -79.443790000000 Ontario Warriner Family Farm Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-07-01 275 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca >50 large area of milkweed plants 2017-07-01 158 Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-01 249 44.556110000000 -80.925580000000 Ontario 250 9th ave east owen sound ontario Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-07-01 we let the milkweed grow in our gardens. 320 44.032210000000 -79.975340000000 Ontario My home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-06-27 Lots of milkweed plants here on the property. 2017 seemed to be a very good year for Monarchs here. Every year I pick the ripened seed pods and scatter the seeds. 129 45.771350000000 -74.421390000000 Quebec Lac Louisa, Wentworth Qc Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 2-10 Small patch of plants, up to 10 2017-06-01 As elsewhere in S. Quebec, lots of Vanessa genus butterflies in Sept. - too late for milkweed of course. I saw one monarch this year but not on my milkweed patch. 225 44.467420000000 -79.788050000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-06-01 We had 4 caterpillars and they all moved to different sites . This was on my watering can. One on the back of a chair and two under an overhang. They all hatched. First 3 in September And 4th in October.out of all our plants they only used 3. 226 44.467420000000 -79.788050000000 Ontario Home Common milkweed (found in SK, MB, ON, QC, NB, NS, PE, NF) Asclepias syriaca 11-50 Extensive patch 2017-06-01 Correction of time frame from previous notification .We had 4 caterpillars and they all moved to different sites . This was on my watering can. One on the back of a chair and two under an overhang. They all hatched. First 3 in August And 4th in Septem 286 47.419170000000 -79.554750000000 Quebec na Milkweed (species not known) >50 large area of milkweed plants 2016-09-10 313 49.470640000000 -119.595330000000 British Columbia Canal, Penticton, BC Showy milkweed (found in BC, AB, SK, MB) Asclepias speciosa 11-50 Extensive patch 2010-05-17