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Go to results home Go to map of non-site milkweed or monarch observations


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 Date SubmittedCityState/provinceTypeMilkweedComments
View 7/9/2025 Holderness NH Monarchs common milkweedThis is an area with a not particularly large amount of milkweed, but the milkweed that is present is very healthy.
View 7/7/2025 MC FARLAND WI Monarchs Asclepias syriacaA fifth stage instar was observed for 2-3 days on a couple plants in our backyard. Then is disappeared. A couple days later 3 adult monarchs were observed on the same plants where the instar was observed.
View 6/29/2025 Simcoe ON Monarchs Common milkweedSmall patch of milkweed near my home. Usually mowed during the summer. Larvae was collected for observation under Activity 3. Not sure if this is where I report it.
View 6/28/2025 Thornton CO Monarchs A. speciosaDid not count plants. Observed an adult monarch flying around milkweed plants growing in signal ditch along trail
View 6/27/2025 Milan MI Monarchs “Cinderella” Butterfly Flower Asclepias.We noticed the first monarch instar on 6/24/25 and discovered the 2nd on 6/26/25.
View 7/7/2025 Kalamazoo MI Monarchs NoneUnfortunately no larvae or eggs were found. Extremely hot temps for the week. Most of the milkweed are about to flower.
View 6/22/2025 Minneapolis MN Monarchs Asclepias syriacaOutside of the Courtyard Marriot hotel, at entryway
View 6/19/2025 Madison VA Monarchs A. syriacaObserved adult monarch nectaring on blooming A. syriaca.
View 6/16/2025 Kalamazoo MI Monarchs Common Milkweed70 degrees, no flowers blooming on milkweed, but peonies, irises, flowering shrubs and other native plants in area are in bloom.
View 6/2/2025 Roseville MN Monarchs  I did not notice milkweed but saw 4 what I believe to be different monarchs in the marsh behind HANC. 2 were together in the same part of marsh and were the tiniest monarchs I have ever seen. Another one was close by and was normal sized and a 4th I had seen earlier in another part of the marsh. I do not think they were the same monarchs.
View 6/2/2025 Chicago IL Monarchs 1Although I can't quite tell if my observations are correct with my first time looking for monarch larva and eggs, I believe I saw 3 eggs and 1 larva at the 1st stage of Instar.
View 5/25/2025 Wauwatosa WI Monarchs swamp milkweedtemperature in shade 72 degrees, other plants blooming - canada anemone, wild columbine, wild hyacinth, wood phlox, lilac, viburnum, Jacob's ladder just completing bloom not in bed but adjacent areas with blooming bleeding hears, trillium, wild geranium, last 2 bluebell flowers, virginia waterleaf, golden alexanders and pussy toes
View 5/20/2025 Littleton CO Monarchs Showy MilkweedThe area with milkweed is across from the High Line Canal Diversion Dam and Black Bear Rest Area (approximately 1.3 miles from the Waterton Canyon entrance. The area is off the trail.
View 5/7/2025 Madison WI Monarchs NoneI saw one adult Monarch flying through Second Point Woods. Lots of Virginia Bluebell and other spring ephemerals blooming. The single Monarch I saw flew through the forest without stopping to nectar. I was unable to see whether it was male or female.
View 4/27/2025 Fort Worth TX Monarchs asperula247one dead 5th instar.
View 4/27/2025 Fort Worth TX Monarchs asperulaBroadview Park at Fort Worth Nature Center
View 4/27/2025 Fort Worth TX Monarchs asperulaFort Worth Academy school prairie park
View 4/27/2025 Fort Worth TX Monarchs asperulaFort Worth Academy school prairie park
View 3/31/2025 Sun Valley CA Monarchs  Saw an adult monarch with very tattered, torn wing flying in the garden.
View 3/22/2025 Arcadia CA Monarchs Asclepias fascicularisI observed 5 monarchs nectaring on a large lantana bush and narrowleaf milkweed blooms. There were several bushy stands of narrowleaf milkweed that were in various stages of going to seed and blooming- they did not appear to have died back during the winter! A few of the adults were males and one was rather tattered looking. I did not observe any mating behavior or egg depositing on the milkweed.
View 12/21/2024 Jupiter FL Other  Driving eastbound Indian town rd
View 10/4/2024 Madison VA Monarchs Not on milkweedA fresh, new monarch female was nectaring on zinnias in a garden for 10-15 minutes.
View 10/2/2024 Apple Valley MN Monarchs  2 monarchs sighted
View 10/2/2024 Apple Valley MN Monarchs  2 monarchs sighted
View 10/1/2024 Grand Firks ND Monarchs  Downtown by train tracks
View 9/26/2024 Apple Valley MN Monarchs  72° clear skies. Light wind. Monarch sighted at Cedar Ave and Cnty Rd 42
View 9/26/2024 Apple Valley MN Monarchs  On patio Southside of house
View 9/23/2024 Apple Valley MN Monarchs  Inside observing a large monarch
View 9/22/2024 Orange CT Monarchs Common milkweedI observed 17 common milkweed plants. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: ants, snails, oleander aphids, beetle, spiders, daddy long legs In the center of the field where I looked at some of the milkweed plants, there were a large amount of oleander aphids on the milkweed leaves
View 9/23/2024 Orange CT Monarchs Common milkweedI observed 17 common milkweed plants. There was one 3rd instar. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: ants, snails, oleander aphids, beetle, daddy long legs In the center of the field, there were a large amount of oleander aphids on some of the milkweed plants
View 9/21/2024 Apple Valley MN Other  On back patio north side of house
View 9/21/2024 Orange CT Monarchs Common milkweedI observed 17 common milkweed plants. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: ants, snails, oleander aphids, beetle, spiders, daddy long legs In the center of the field where I looked at some of the milkweed plants, there were many oleander aphids on the milkweed leaves
View 9/21/2024 Orange CT Monarchs Common milkweedI observed 17 common milkweed plants. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: ants, snails, oleander aphids, beetle, spiders, daddy long legs In the center of the field where I looked at some of the milkweed plants, there were many oleander aphids on the milkweed leaves
View 9/21/2024 Orange CT Monarchs Common milkweedI observed 17 common milkweed plants. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: ants, snails, oleander aphids, beetle, spiders, daddy long legs In the center of the field where I looked at some of the milkweed plants, there were many oleander aphids on the milkweed leaves
View 9/20/2024 Apple Valley MN Monarchs  4 monarchs sighted. Your website can't seem to handle all this
View 9/20/2024 Madison VA Other  Observed fresh-looking adult male monarch feeding on Tithonia blooms in my garden.
View 9/20/2024 Apple Valley MN Monarchs  5 monarchs observed. Not sure if previous observations went through. Website stalker
View 9/20/2024 Apple Valley MN Monarchs  Large monarch going south
View 9/20/2024 Apple Valley MN Other  2 large monarchs sighted in the back yard 72°. Light wind and sunny
View 9/20/2024 Apple Valley MN Other  2 large monarchs sighted in the back yard 72°. Light wind and sunny
View 9/18/2024 Apple Valley MN Monarchs  Large monarch going south. 80° light wind. Observed on patio north side of house
View 9/18/2024 Eatonton, GA Monarchs butterfly weedIn our school garden, we were checking the flowers and found the larvae. We were excited to see them.
View 9/17/2024 Apple Valley MN Monarchs  Nice day. Light wind 77°. Large Monarch observed in the backyard through windows
View 9/15/2024 Apple Valley MN Monarchs  Large monarch observed from inside the hoise
View 9/12/2024 Orange CT Monarchs Common milkweedI looked at 17 common milkweed plants. There was one 3rd instar. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: ants, snails, oleander aphids, ladybugs, grasshopper, daddy long legs
View 9/11/2024 Annandale VA Monarchs native swamp milkweedI have several milkweed plants along my front yard and I check them everyday and today was the day I finally noticed some caterpillars!! I found 3 at what i assume is the 5th instar stage, they are all quite large at this point and have the antennas fully developed. They are happily eating the leaves.
View 9/9/2024 Apple Valley MN Monarchs  58° Sputh wind. Large monarch in the back yard going SW
View 9/8/2024 Apple Valley MN Monarchs  Sunny 68° light S wind. Monarch going norrh
View 9/12/2024 ARROYO GRANDE CA Monarchs One 2nd instar that was observed on A. fascicularis was dead on the plant. But when I went back for my weekly monitoring later in the week it was not present so it is not in my data. Also on 10/6 not during a weekly monitoring session, I observed a clearly diseased chrysalis growing on a tomato cage. It was dark brown and mushy looking. I posted photo on iNaturalist. I did not really do a survey on these days, I just observed in between surveysDid not want to record in the data columns above because both sightings were deceased
View 9/5/2024 Orange CT Monarchs Common milkweedI looked at 30 common milkweed plants. I saw five eggs total and three 4th instars. Milkweed plants are mixed in with other species of plants and the grass around the plants is cut short to keep a trail. Other insect, etc. species seen: aphids, oleander aphids, leaf hopper, spiders, ants, ladybugs, snails, stink bug