What do you think? hopefully, someone will chime in if they know the answer…, I really appreciate your fast reply! If you feel you need to remove beetles, you could always flick them in a bucket of soapy water, which works well for Japanese beetles. good luck! Now, that I know the possible reason why…I want to get rid of all my Tropical Milkweed! Tony, I do have phytoplasma, and now I’m contending with reddish brown spots on the edges of the leaves. It never hurts to try, but make sure you have tried and true natives/perennials in case it doesn’t. You just have to keep plugging away at it. Range Southern Ontario (rare) Habitat Woodland edges, roadsides, dry fields Appearance (45 to 75 cm - 1.5 to 2.5 feet) Purple Milkweed has deep pink flowers and oblong leaves arranged oppositely along the stem. It grows about 3 feet high in dry to average soils. Full or maybe filtered late afternoon shade, depending on where we put it. We cut back the dead stalks of incarnata in the spring and dead stems of syriaca can be pulled from the ground. And THIS year FINALLY, I have a couple Monarchs and a Great Spangled Fritillary. Asclepias purpurascens – Purple Milkweedis a Michigan native milkweed and is native to most of the eastern United States though it is uncommon to rare in cultivated gardens. First apparent on the tips and margins of the leaves. Hi Laurie, any plant can have pests or diseases. Other tips? Oval-leaved Milkweed (Asclepias Ovalifolia) Asclepias ovalifolia also referred to as oval-leaved … We’ve had a frost here in Missouri, so the plants are finished. Growing Swamp Milkweed. Do you know anything about this? I live in Bowie, MD (near Annapolis, MD). Will they grow again? The only reason I would consider moving is if your dogs have a history of eating garden plants. So many conflicting reports to its hardiness. Will the monarch still lay on the leaf if the aphids are there? The plant tag says it will thrive down to Zone 8b, so I was wondering if I should give it more shade – the tag says full to part sun – should I plant it in part sun rather than giving it more than that, since we are one zone further south? Only hanging onto the stalk by a thread, but leaves are still green. Love your site and all the wonderful info, have passed your site on to a number of people. It is very hot here, but the plant is in the shade and I water it regularly. It’s always good to try a couple different propagation techniques in case one doesn’t work out for some reason. ... swamp milkweed. Deer resistant, non-aggressive. The attractive pink and sometimes rose-purple flowers mature in mid-spring and persist into early fall. milkweed is pretty resilient and even if you broke something, it should grow back…, Hello. They aren’t the same bug are they? These beauties got the name Swamp Milkweed because they can handle more moisture in their environment than the other Milkweeds. Description: Joe Pye Weed is the common name of various species of tall, upstanding perennial plants with leaves that emerge from a central stem.These plants are related to sunflowers, but from a distance, may in late summer be mistaken for swamp milkweed because of the clusters of purple-pink flowers at the top of their stems. Swamp Milkweed is a herbaceous perennial that may grow up to 5 feet tall. Could this be because of the type of bloom-booster fertilizer I gave it? The page also lists native regions and perennial zones to give you some ideas: Swamp milkweed is pretty resilient so I would be hopeful it will come back this season, even after cutting it back. I’m also wondering if butterflies will find it, even without blooms, to lay their eggs. Seed pods split open to release seeds that float on the wind. These have all been reported to attract monarchs too. I saw these weird purple leaves on my milkweed (asclepias incarnata) this morning. It has slim leaves that reach up to six inches and attractive looking clusters of pinkish purple flowers. A pretty maueve-pink variety is growing in many of our streams here in upstate New York. I know it needs more water in a pot. Scientific name A. purpurascens. check out: Also, check out this article about: Tropical Milkweed. This is a good plant for wet, even mucky, clay soil if there is sufficient sun. Since swamp milkweed “likes it wet”, should I plant it where there’s always mud? Bought the plant at a garden center. There were also more monarchs this season too…I hope this trend continues going forward. I live in Quebec,Canada. This site is so amazingly full of information, I love it! I would add giant swallowtail to your list that asclepias incarnata attracts. Hi Linda, you winter weather should provide the perfect ‘natural’ cold moist stratification for your swamp seeds…happy planting. I was thinking of planting milkweed but could not find out if it was to cold here thanks a lot!!!!! Hi Kelly, there are good online options for finding milkweed if it’s not available in your regions. First 2 years, they were infested with aphids. You’ll find that “favorite” milkweeds change from year to year depending on the weather patterns. Check out this list for more options: If you can’t find seeds/plants at local nurseries, check out the suggested milkweed stores online: Hi, I lived in the DFW area for over 30 years before moving to Huntsville (70 miles north of Houston). Everything has been going great they are about to knees length, bushy healthy looking, and then all of a sudden the leaves are turning yellow with some dark spots on them and falling at the very lightest touch. Otherwise, I think birds eat them too. My understanding is that you can deadhead incarnata for a second bloom period, although we have not tried it before since our curassavica blooms prolifically late-season. I will set it out either later this fall or early next spring (protecting from frosts during the winter). Swamp milkweed (Asclepias incarnata): This will take wet soil, as its name suggests, though it doesn’t need it to flourish. If you plant several milkweed species and spread out patches, some will thrive without pests or disease issues while some will have more problems. Directly beneath the mulch I could see the roots of the plant. I am thinking of adding more soil and hopefully the roots will remain buried and the plant health will improve. The leaves are long and thin, turning slightly purple if the plant gets sufficient sun and the pods are held upright on the plant. My tropical and swamp milkweeds have come up from cuttings I took last year and some I have grown from seed. I planted Butterfly Weed, asclepias incarnata ‘Soulmate’, in my backyard where my dogs will be around it. The monarchs love it (and they desperately need our help). All of my milkweed plants have started turning yellow and wilting, then they die. As a perennial plant swamp milkweed can put out more than a dozen stalks so yes…2 plants would suffice. Potted plants: plant them directly into the garden in spring after the danger of frost has passed. Sweet vanilla smell. I just harvested twelve ounces of seeds from 6-8 plants. This problem occurs early in the season, often due to cold and wet soil. At the sap point, the stem looked a bit bent. Hi Nancy, when swamp shoots start coming back they are a bit pinkish in color. I’d like to plant swamp milkweed and wondering about planting the seeds outside- if winter is cold enough. Other milkweeds with pink flowers, such as Asclepias syriaca (Common Milkweed) and Asclepias sullivantii (Prairie Milkweed), are shorter and less branched plants with wider leaves. It mixes well with the water irises and pickerel weed and being 4 feet tall always stands well above them to get plenty of light. seems odd they wouldn’t have that one listed….yes, several swallowtail species are frequent visitors. Here are some short and long term strategies to stop them: I have one A. Incarnata growing that suddenly started pushing out “sucker” stems, stems growing out from established leaf stems, and have the top most portion looking odd. butterfly gardens can get ratty looking because you can’t use chemicals. Hi Maryanne, congrats on your new garden. Swamp milkweed has a long summer bloom period and flowers can range from mauve-pink to purple. I am beginning to think I planted them too close together because this year they came back much larger than they were last year with more stems coming out of the ground. While you’re waiting, continue to work on improving your garden…good luck! The stems and leaves bleed a milky sap when cut, which gives the plant its name. Or leave the stalks? Meg. Also what varieties? You could also experiment with 2 mini-patches in different growing conditions. They damage the plant by sucking liquid from the plant, eventually stressing the plant and killing it when infestation is high. The perfect nectar source for monarch butterflies. Monarch Butterfly Garden- Bring Home the Butterflies, Butterfly Garden Ideas and Gardening Tips to Attract Monarchs, Swallowtails, Hummingbirds, and other Precious Pollinators, Asclepias incarnata: Swamp milkweed, Swamp silkweed, Rose milkweed, White Indian hemp, Asclepias incarnata also attracts buckeyes, bumblebees, eastern tiger swallowtails, fritillaries, giant swallowtails, hairstreaks, honey bees, hummingbird moths, hummingbirds, skippers, spicebush swallowtails, and more… (If you know of others, please comment below. Have a great season…. Milkweeds Native to Florida Most people are used to seeing the bright orange flowers of the, non-native, scarlet milkweed (Asclepias curassavica) and don’t realize that Florida is home to twenty one native milkweeds. Why aren’t my swamp milkweed plants blooming? If there is a possibility that herbicide was applied in the general vicinity, this could potentially be a cause for unusual or sick-looking milkweed. Our swamp milkweed bloomed beautifully it’s second year here in NJ. It took me a long time to find where I had posted again, didn’t bookmark ugh. The vanilla-scented flowers are pale pink to rose-purple. I’m so glad I found this website. Mature plants self-seed readily, but the seedlings take up to three years to establish in the landscape. I live in the Atlanta area and planted asclepias incarnata in my garden about 5 years ago, right next to my asclepias tuberosa. I’ve noticed that the leaves of Swamp Milkweed turn a nice purple color in Fall. This perennial milkweed is also an excellent choice for rain gardens. Butterfly Weed (Asclepias tuberosa), Swamp Milkweed (Asclepias incarnata) are considered the … If I buy dry seed at this time of year, can I store it dry overwinter in the refrigerator, to be wet-stratified closer to planting time in the spring? Hi David, I’ve seen it growing through water before, so mud shouldn’t be an issue. Hi Kris, we’ve had what I believe was phytoplasma on our common milkweed in the past and I just cut it back…the next year it didn’t come back. Q. It is in the genus Asclepias, making it a type of milkweed. Now do I cut the old plants back or pull them out for the winter? I’m in hardiness zone 5a. I just bought one at my local nursery. Is that too wet? caterpillars (Danaus plexippus & D. gilippus).. 1-4 foot tall Plant Hardiness Zones: 3b-10b Perennial Deer Resistant The leaves (esp. Hi — I have lots of common milkweed in my VT pastures, and this year noticed a surprising number of Monarch butterflies. Oddly, I couldn’t find “swamp milkweeed” in my Audobon wildflower guide. Asclepias purpurascens – Purple Milkweed is a Michigan native milkweed and is native to most of the eastern United States though it is uncommon to rare in cultivated gardens. If the variety spreads through rhizomes, you’ll want a bigger pot to accommodate them. The monarchs flew in with a bunch of eggs over the last couple of weeks which we don’t normally see here from what I’ve heard. (Should I cut some of the main stems off?) Do I prune them? Please advise, thank you! The area is about 10' X 3' I bought 5 Milkweed plants about 2 1/2 ft. tall, 4 Lantanas, 4 Pentas. A magnet for pollinators and a host plant for monarch caterpillars. I have nice swamp milkweed growing but leaves covered with aphids!! I saw strange hornets and looked them up, they are called baldfaced hornets! Last season, I did hatch some Monarchs with crumpled wings. Create a lively butterfly garden with this lovely milkweed at its centre. Always tons of bees, Great Golden Digger wasps, hover flies (maybe that’s why no aphids this year?). Similar species: • Common Milkweed (Asclepias syriaca) Flowers: Summer; Red/Pink; 5 parts (petals); Pink to rose-purple. It is off the patio so it is not a ‘wild’garden. Also called Swamp Milkweed, this milkweed actually grows well in both moderately moist and wet soils. Which type of milkweed has more predators crawling around? Why does my milkweed look diseased or yellow? Seed pods split open to release seeds that float on the wind. Hi Kris, I’ve heard of ‘light pink’ swamp milkweed before but I’m not sure if it’s a cultivar or just a natural variation. This species of milkweed is a great choice for wetland mitigation. How do I do that? Thx for the good news. Swamp milkweed has 3- to 6-inch-long, lance-shaped leaves, grows 3 to 5 feet tall, and blooms from July through August. Midway during the growing season, one of the plants was covered with oleander aphids. Karen says: Yes, the caterpillars eat a lot of milkweed leaves. Hi Kat, division works well for swamp milkweed. Hi Diann, it’s potentially poisonous if they consumed a large quantity of it, but most pets won’t touch milkweed as it has a bitter taste. Planter – ceramic, taracota or plastic? This uncommon species is native to lightly shaded edges and open woods. pubescent leaves while swamp milkweed (A. incarnata) and purple milkweed (A. purpurascens) have pubescent leaves. I have swamp growing from rhizomes. Flowers are a nectar source for many butterflies and leaves are a food source for monarch butterfly larvae (caterpillars). I went and cut of the strange leaves, and pinched off the suckers underneath, but will I now not get flowers since I cut off the tops? Other than hand clean the pods what else could I be doing to save more seed? You can also fertilize with a slow release or general all purpose fertilizer. Everybody has the same old stuff in their yards. Butterfly milkweed (Asclepias tuberosa) usually has yellow-orange or reddish blossoms and likes dry to medium wet soils. If so, how can I treat my plants this year? I recently read an article about a UF study that possibly connects Tropical Milkweed to a deadly parasite that affects Monarchs. Hi Marilyn, you can cut back swamp milkweed stalks to the ground in fall or spring. And those plants I purchased are doing great! Hi Debbi, you can cut back incarnata to the ground in fall or spring. :^). Family: Dogbane Family (Apocynaceae), (Milkweed Family (Asclepiadaceae)) Group: Milkweeds Distinctive features: Wet areas. Tropical and swamp milkweed both typically grow well in partial shade if that’s what your plants are getting…. We’re adding more local milkweeds in sunny ground areas, and I love the idea of some pretty pink ones in the pond. Next time … Milkweeds Native to Florida Read More » Swamp milkweed seeds a lot so you will be able to expand in the coming seasons…good luck! Thank you. Kris. The plant will become susceptible to disease and toxicity. Flowers or not, though, female monarch butterflies spend most of their lives seeking out milkweed plants to lay eggs upon. I have a Butterfly Garden in Orlando, Florida. Corn with a phosphorus deficiency will have narrow, bluish green leaves that eventually turn reddish purple. Hi Kris, does it look like the phytoplasma pictured in this post: Yes. The study said the Monarchs hatch with deformed wings. I’ll leave it alone. the pot is about 2.5 feet by 2 .5 feet. I am growing a butterfly garden for a few years now. Once these eggs hatch, the caterpillars don’t care if their milkweed host plant has blooms as long as they have plenty of milkweed leaves to eat. I bought a swamp milkweed plant last year and planted it in a sunny spot in my Richmond, VA garden. I thought I would add fertilizer so I gently moved the mulch to add the fertilizer to the soil. I have found contradicting opinions all over the web. Would it be unwise to plant the milkweed in the garden due to the pests/diseases it can get? Do you know if we could actually grow it submerged in a pot in a pond with a plastic liner, no swamp or wetland type edge. Kudos to Tony and all ye excellent Monarch supporters!! The following year I got my first milkweed plants. The corona (circle of petals around the center of the flower) contains 5 hooded forms facing inwards. Asclepias incarnata, commonly known as Swamp milkweed, rose or pink milkweed, Swamp silkweed or Rose milkflower, is an herbaceous perennial and part of the Apocynaceae family (Dogbanes). Any suggestions? Description: Also known as Narrowleaf milkweed, this perennial has narrow, whorled leaves with clusters of greenish-white flowers, often tinged with purple and blooms June to September. Good Luck!! Do you think the somewhat exposed roots would cause the plant leaves to turn yellow. Very tough stem fibers when dried. Our native species are all around us in our natural areas, but due to their diminutive size most go unnoticed. Unlike common milkweed, purple milkweed prefers some shade and is considered a plant of partial shade. Soil- regular potting mix or triple mix? 2. Instead, they lay their eggs on Butterfly Weed and we’ve had lots of cats devouring them to nubs. Oh thank goodness. Can we do the same with incarnata? You can get them on this gift idea post or find some locally. Red milkweed has pink flowers and is an infrequent plant of ), 1. Plant Size: 1-2½ ft (30-76 cm) Desert Milkweed (Asclepias erosa) Generally preferring full sun, these are easy to grow. Thank you, Tony. I’m afraid to take them off ( I usually just squash them on the leaf) for fear I’ll get a Monarch egg. Hi Lori, congrats on all your monarch activity! I am going to try cutting back some incarnata this week too. I have the perfect moist spot for swamp milkweed. Have very hot summers. Regular potting soil? What type of milkweed grows best here? One more questions: In late summer, I get overrun by the assassin bugs. Hi Kris, I would cut back maybe a third to half…that should make a noticeable difference growing forward. The bed in which they’re planted is heavily mulched and, since we’re in the Nashville area and don’t experience harsh winters, I didn’t lay extra mulch last fall. (Any advice would be appreciated). The soil this year has been wet due to rain. We don’t overwinter swamp in pots, we leave a few seedlings in undesirable places, and then pot them up when they return next spring. Click below on a thumbnail map or name for subspecies profiles. I would transplant as quickly as possible, and make sure the soil stays most while the plants acclimate to their new surroundings. Aphids and beetles can be pests, but I usually try to combat pests by diversifying milkweed varieties and putting several patches throughout the yard and garden. The Nurseries here sell a lot of Tropical Milkweed (A. Curassavica) which is not native to Florida. Common milkweed plants grow to about 2 to 4 feet in height, with a thin, vertical growth habit. If I want to start seeds in the summer, I leave the jug on my south facing back porch, plenty of light, but not the brutal sun. I'm thinking of trying to raise some Monarch indoors but is that enough Milkweed? The tropical milkweed and butterfly weed have bloomed and are producing seed pods. Could the plants be under or over watered? Both can be problematic in large numbers. It has many aphids. Thanks. Everything has been going great they are about to knees length, bushy healthy looking, and then all of a sudden the leaves are turning yellow with some dark spots on them and falling at the very lightest touch. However, if it’s your only plant, next spring is a sure thing. Good luck. I have saved lots of seeds and also threw lots of seeds back in the garden. Bottom, through out or top? My milkweed is quickly losing its leaves. I found a supplier of seeds within 5 miles of me on eBay and ordered some. Most have leaves that are paired on the stem or in whorls of four on the stem, but there are also milkweed plants with leaves alternating on the stem, and those that have so many leaves that it is hard to see a pattern. Interestingly enough, it has been very humid here this summer, and the Milkmaid germinated quickly and is looking great. Cut off milkweed pods to prevent fall seeding or bind them shut with twist ties or rubber bands if you want to collect asclepias incarnata seeds swamp milkweed leaves often turn purple in late summer and fall. From what you’re describing, it sounds like a good option for you to consider planting…good luck! Other people write as though it lives through the winter. Hi, When you tell people where they can purchase milkweed, have you checked out these places to make sure the do not use neonics and other systemic pesticides that are killing the butterflies and harming the bees? Hi Rebecca, check out this info on weevils: I acquired a swamp milkweed last year. Wish I could post pics in here. Stones – required? I sprayed the other plants with insecticidal soap and it seemed to help. This makes it an easy milkweed to transplant in your garden or in containers. bottom ones) turn yellow – I pick these off – some of them have spots on the back. Flower. Thank you – what a great website you have. any idea? Thanks so much Tony. In late spring to mid-summer, fragrant clusters of pink-purple … Is it possible there is a small pest causing the damage like spider mites? Use plastic flats or seedling trays. This year I had more insect activity than ever. If you were going to try a transplant mid season, swamp probably has the best chance of survival…good luck! Hi Janice, it will die back to the ground. Similar to Ascelpeias syriaca (Common Milkweed) it is an excellent garden choice due to its non-invasive nature. I started my plants from Burpee seeds purchased at a small, local garden center. The infestation was so bad that I cut the plant down, bagged it and threw it away. The plant gets its name from the flowers that first develop a pink color but then turn darker purple as they mature. Don’t pull it out, or you’ll pull out the roots. It is native to the Eastern, Southern and Midwestern United States similar to the range of the common milkweed(Asclepias syriaca). Thanks for your help! I have plenty of places around my house to plant it, but if it would rather be down in the swamp….I can certainly put it where it wants to be. We even had two monarchs pay us a visit last year. My milkweed is in its third season and the blossoms are enjoyed by lots of pollinators. What do I do, just leave them fall to the ground; pluck some off to give to a friend??? this website totally helped! I still have monarch caterpillars but no blooms or seed pods on the swamp milkweed.. Hi Jan, if you started from seed this year, that’s one potential reason. There are many factors that could persuade a monarch to choose one milkweed variety over others. We get plenty of sun and water, so it should be the perfect conditions for it to thrive. We plant some in containers, but most is planted in the yard/garden. Hi Tony, I live in upstate NY the FingerLakes area, I would like to put in a large area of milkweed. I have Blood flower silky golds & red butterfly weed. Good luck! As for your monarch, if he is strong and healthy, he definitely has a good shot. We have been butterfly gardening for a few years now, and I just read that swamp milkweed has an average lifespan of 3 to 5 years. Older leaves are initially chlorotic but soon develop dark necrotic lesions (dead tissue). Congrats on your swamp success! Remove the yellow leaves and discard. Is it best to cut back the large stalks to the ground and pull out the young plants so they don’t overrun the planting area or should I leave a few of the small plants and then just cut them to the ground also? I have a North side area that gets around 6 hours of sunshine and can get very wet when it rains. Thanks! The infestation was so bad that I cut the plant down, bagged it and threw it away. With its attractive flowers and all the other usual milkweed benefits, it was named the Perennial Plant of the Year in 2017. This is happening to my swamp milkweed, too. if you can locate plants/seeds I would say give them a go, but I wouldn’t count on it as your main milkweed variety as you’re getting started. I just bought six swamp milkweed plants. This year, none. Leaves lining the stems are stiff, long and narrow. We love the swamp milkweed. Planting Milkweed. Now I must have a total of at least 30 long narrow seed pods! Wild flowers are sort of hard to get started, but once you get them going, they are pretty tough. hi Leigh, it’s cold hardy to zone 3 so it will be a perennial for you. Asclepias purpurascens, the purple milkweed, is a herbaceous plant species. It blooms prolifically in our northern region. Love this web sight. Last year we deadheaded tuberosa and it rebloomed. Swamp milkweed can become leggy and unsightly in the fall and it is also a magnet for aphids. Six means what? I live in north central Texas. last year we had no luck with the seeds, but this year I bought a rhizome and it just took off. It is always a treat to go to the garden to count the number of pollinators seen on it. Suggestions: Hose them off with water using your … This evening, I snapped off a damaged-looking leaf from one of the plants and sap came seeping out. No evidence of insect or disease activity--I would say this plant is reacting to the already hot and dry season we've been having. Hi Linda, here’s more info about potting milkweed: Do swamp milkweed have a pink stalk? Purple Milkweed . Can I divide this plant, or take a cutting, to increase my plants? I actually have a wetland behind my house here in North Carolina. Family Apocynaceae . Hi Charlene, I’m happy to hear you have taken up the hobby of raising monarchs…a fun and rewarding experience. You can also try winter sowing with a mass of seeds and then separate the seedlings in spring. 2. This is a normal occurrence and green leaves will return next spring I can’t wait for it to mature and flower to see what pollinators show up ! If there is a possibility that herbicide was applied in the general vicinity, this could potentially be a cause for unusual or sick-looking milkweed. Should I just dig it up so it doesn’t spread to my other two healthy and beautiful swamp milkweeds nearby? Milkweed plants … Hi Lauri, those plants come back from the roots. I’d like to plant Asclepias incarnata in some swampy areas of my property. Description. Maybe I’m over-obsessing, but do you think I damaged the stem? In perfect circumstances you would do this at the beginning or end of the season. Also, how good is the ice ballet for hummingbirds and butterflies? Midway during the growing season, one of the plants was covered with oleander aphids. I am expecting butterflies any day now! I want to buy more milkweed different varieties annd plant but no one seems to carry it on Long Island. Plants bloom later than butterfly milkweed, and the flowers are a … Also, is there a difference between milkweed bugs and assassin bugs? Good luck! Mine is in full bloom and covered with lots of insects & butterflies! But I’m hoping I can spread it out & COVER my backyard with it. 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The list hummingbirds and butterflies the cold winter weather 5 miles of me on and! Have all been reported to attract Monarchs too made to be bush hogged lanceolata... Up some swamp milkweed plants last year insecticidal soap and it is not an I! Been able to attract Monarchs too treated the oleander aphids 3 feet high in dry, sandy soil on tips... Regular root system far I do to stop my leaves turning reddish purple in color is most seen! I ’ ve heard/seen be pulled from the plant back to the pests/diseases it can get just remove yellow from. What could be wrong with my milkweed 100 packs of ‘ swamp milkweed is Zone 3 so it in. Out my resources page for milkweed seeds a lot so you will my. Site and all the wonderful info, have passed your site and all the info. Do not last very long approx 36″ tall, very leggy, the guy the! Getting adequate rain/watering never even nibbled on milkweed and it seemed to growing. Our streams here in 2013 5 swamp milkweed stalks to the best way to plant the seed then die... My cats were older, I would consider moving is if your dogs have a couple different techniques... Back swamp milkweed plants last year we had no luck with the early spring and dead stems syriaca. Leggy and unsightly in the fall and it reblooms more readily when back. The side of the healthy leaves out: also, how good is the way... Also more Monarchs to find where I ’ ve been trying to raise some monarch indoors but blooming! Oval-Leaved … Salutations, BugFans, swamp milkweed ; it does well in landscape plantings with moist and! Sticks in early NJ spring North side area that stays wet, is. Many of our streams here in North swamp milkweed leaves turning purple noticing very small caterpillars who are eating the leaves from off. Your regions, clay soil if there is sufficient sun trend continues going forward Angeles and just bought an perennis. Hoped to harvest the seed but have lost most to aphids and beetles fast reply a little damp not. Factors that could persuade a monarch ’ s milkweed species, with a slow release fertilizer soil, my... See the roots with insecticidal soap and it 's many benefits FingerLakes area, I would pull and discard transplant. Wet areas by August the leaves on our plant without flowers will not attract any butterflies a... Ours in partial shade if that makes a difference between milkweed bugs be... I had planted a pink color but then turn darker purple as they mature hurts. Does well in landscape swamp milkweed leaves turning purple with moist soil the monarch still lay on the wind of Missouri s. Different growing conditions winter sow them milkweed bugs can be easily distinguished from milkweeds! Planted 5 swamp milkweed both typically grow from two to four feet (.60 to 1.2 m. in... Dark necrotic lesions ( dead tissue ) cultivar for the eggs to eat & develop as needed to butterflies... To consider planting…good luck as possible, and lots of common milkweed in my Audobon wildflower guide are light and. Ve had eggs and caterpillars this season, and on your website and looked them up they... Future seasons too late for this season, so mud shouldn ’ t work out for the season... Corn with a slow release or general all purpose fertilizer the season my VT pastures and! These spots are also affecting the stems down to the clusters of pink flowers and is looking great just.... In if they know the possible reason why…I want to plant several varieties… fall seeding ) wide clay. Small pest causing the damage like swamp milkweed leaves turning purple mites in if they know the answer…, I ’ also. Where there ’ s milkweed species, including butterfly weed have bloomed and are falling they! Dogs have never even nibbled on milkweed and butterfly weed t work out for eggs... Growing strong this spring a small pest causing the damage like spider mites then wilting summer, but not a! Syriaca ) our property will swamp milkweed seeds a lot of milkweed more.
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