Please advise. Tony, I planted three swamp milkweed plants in the early Spring and each had clusters of flowers. 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. 2. Flowers are a nectar source for many butterflies and leaves are a food source for monarch butterfly larvae (caterpillars). Both look like dry sticks in early NJ spring. What do I do, just leave them fall to the ground; pluck some off to give to a friend??? any idea? 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. They typically form small clusters of between 10 to 20 flowers. The blooms last longer and it reblooms more readily when pinched back. Swamp milkweed (Asclepias incarnata): This will take wet soil, as its name suggests, though it doesn’t need it to flourish. Thanks. Hi Kris, I would cut back maybe a third to half…that should make a noticeable difference growing forward. Here are 7 ways to get rid of aphids…good luck! Swamp Milkweed is a herbaceous perennial that may grow up to 5 feet tall. I would transplant as quickly as possible, and make sure the soil stays most while the plants acclimate to their new surroundings. Hi Kris, if the foliage looks sickly I would cut them stems back and spray remaining plant with a hydrogen peroxide solution as explained in this post: Thanks, Tony, to what point would you suggest I cut back the plants? Am I really taking a risk it won’t survive the winter by placing it into a pot? Hi Lori, congrats on all your monarch activity! I also have many tuberosa plants nearby. Leaves: Narrower than Common Milkweed, simple. Unlike common milkweed, purple milkweed prefers some shade and is considered a plant of partial shade. The narrow, smooth leaves are, lance-shaped and 3 to 6 inches long. Swamp Milkweed is easily distinguished from other milkweeds (Asclepias spp.) It is been doing well for months before the last few days. Last season, I did hatch some Monarchs with crumpled wings. Both can be problematic in large numbers. You might try planting in two different growing conditions and see which it prefers. Good luck. I too was desperate about 2 weeks ago and since my cats were older, I tried butternut squash and zuchinni. Will the swamp milkweed survive the winter or is it definitely an annual in Oregon? Do you know anything about this? Right now, there are about 20 stalks on our plant. We live on the east coast of Florida, Zone 9b. The long, oblong leaves are light green and grow to about 8 inches long. I live in southern CA and its been pretty hot. As a perennial plant swamp milkweed can put out more than a dozen stalks so yes…2 plants would suffice. enjoy! Can we do the same with incarnata? My worry is 3 of the plants have several yellow leaves and its growing up my plant. I also have two new plants whose leaves are not turning yellow. last year we had no luck with the seeds, but this year I bought a rhizome and it just took off. I’ve had Butterfly Weed for years and have not had much luck attracting Monarchs .That all changed with the Swamp Milkweeds. A number of species, including butterfly weed, common milkweed, and swamp milkweed, are sometimes cultivated. We have a good crop from last year though…if you’re on facebook, check out this post for an idea to insure your crop…and like my page too! In most cases, these can’t be shipped to Hawaii. Is it because the site is too dry? In Wisconsin we have a place called Prairie Nursery .I bought five plants last summer and planted them by our down spouts to give them extra water. Other common names swamp milkweed water nerveroot . From what you’re describing, it sounds like a good option for you to consider planting…good luck! A giant black swallowtail butterfly was on the one in our stream in late July. I sure hope not! It is in a pot. You could divide the root to create more plants, and you can also try to take cuttings incarnata: I have a “bog filter” where water from my koi pond is biologically cleaned and have had some kind of milkweed there for years. Then, you can transfer all plants to the best area. I currently have Milkmaid growing which was purchased from Swallowtail garden seeds. My 3 milkweeds have Monarch eggs on them & I've noticed the past couple days the leaves are turning yellow & falling off. Purple milkweed. That’s fantastic you’ve been able to attract some monarchs too. This uncommon species is native to lightly shaded edges and open woods. If breaking them up and spreading them out is gonna threaten its survival, I’ll just keep it together as it is. Other than hand clean the pods what else could I be doing to save more seed? :^). I have a few plants of incarnata growing in partial shade and dry sandy soil on the New Jersey shore. Hi Mary, the short bloom period is likely the result of growing in dry, sandy soil. First apparent on the tips and margins of the leaves. IIf the tops of your plants look good, you should be just fine. Planting Milkweed. Congrats on all your eggs and caterpillars this season, and on your bountiful harvest! Our swamp milkweed bloomed beautifully it’s second year here in NJ. Asclepias purpurascens, the purple milkweed, is a herbaceous plant species. Personally, I would cut it back and see if that makes a difference. The plant will become susceptible to disease and toxicity. Swamp milkweed (also known as rose milkweed) is another native perennial. Butterfly milkweed will tolerant light or partial shade but produces fewer flowers in low light conditions. Why does my milkweed look diseased or yellow? Purple Milkweed . Good luck! They were really yucky. Bottom, through out or top? I’m hoping it will bloom. 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. Hi Jan, the seeds will get a natural cold stratification if you plant them in fall: My swamp milkweed is going to seed. Hi Judy, you can try it and see if it works. I would advise putting containers in a protected area or wrapping the pots to keep soil temps warmer until spring. Milkweed is a beneficial wildflower. Mature plants self-seed readily, but the seedlings take up to three years to establish in the landscape. I doubt they will flower this year, so I’m wondering if it would be wise to cut the plants back and give them a chance to get healthier. This was a banner year for swamp with cooler temps and more rain in the upper midwest. I have only had these plants for 2 days, I am getting worried. Interestingly enough, it has been very humid here this summer, and the Milkmaid germinated quickly and is looking great. Most of them have sap that is white and milky. While you’re waiting, continue to work on improving your garden…good luck! Leaves Turning Reddish Purple in Color. They sniff around it but that is all. I’d be willing to share a few stalks if you need them. I live in the Atlanta area and planted asclepias incarnata in my garden about 5 years ago, right next to my asclepias tuberosa. Hi, first time planter of swamp milkweed. The tropical milkweed and butterfly weed have bloomed and are producing seed pods. You can get them on this gift idea post or find some locally. Should I just dig it up so it doesn’t spread to my other two healthy and beautiful swamp milkweeds nearby? Lovely deep pink clusters of blooms. Sometimes it can take a while for monarchs to find you, but once they do they continue to come back. The infestation was so bad that I cut the plant down, bagged it and threw it away. It must be over 4 years old. Hi Laurie, any plant can have pests or diseases. Planting Milkweed (Asclepias) is essential to creating a habitat for the beloved Monarch butterfly's survival, as they are the only plants on which Monarch caterpillars will feed. Hi Sharon, A. incarnata doesn’t thrive in warm regions from what I’ve heard/seen. The leaves at the top of the plant are all like this, though the ones in the bottom half are normal. Generally preferring full sun, these are easy to grow. I’m also wondering if butterflies will find it, even without blooms, to lay their eggs. It is native to central and eastern USA and tends to grow in wet sites along streams, ponds or bogs. Hi Diann, it is native to your region. Swamp milkweed flowers anywhere from June to September depending on location. It has been short, but is blooming well. Now I must have a total of at least 30 long narrow seed pods! (Any advice would be appreciated). The plants tend to reach 2 to 4 feet (.60 to 1.2 m.) in height. This is what I suspect. What do you think? 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. When it comes to milkweed, it’s really best to try a few experiments because no expert knows the exact growing conditions in your garden! Stones – required? Swamp milkweed has a long summer bloom period and flowers can range from mauve-pink to purple. Swallowtail will answer all of your questions. Hi Lindsay, swamp milkweed is pretty easy to transplant because it has no taproot. I recently read an article about a UF study that possibly connects Tropical Milkweed to a deadly parasite that affects Monarchs. butterfly gardens can get ratty looking because you can’t use chemicals. A. asperula and A. viridis are two native species for Texas. Hi Tony , I’m planning on starting new Milkweed this fall,after the ground freezes,Going to put them in pots so I’ll have them growing nicely for our garden club plant sale in the spring . Otherwise, I think birds eat them too. Stems and leaves … The lower leaves all turned yellow and dropped off. I have Blood flower silky golds & red butterfly weed. If so, how can I treat my plants this year? I’m looking for Florida Native Milkweed A. Tuberosa, A. Incarnata & A. Perennial Thank you, Kelly. In 2015 I learned about native milkweed and it's many benefits. 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? Tony, I do have phytoplasma, and now I’m contending with reddish brown spots on the edges of the leaves. ‘Gay Butterflies’ is a mix of yellow-, orange-, and red-flowering plants. Very tough stem fibers when dried. Older leaves are initially chlorotic but soon develop dark necrotic lesions (dead tissue). 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. Is it poisonous for them? This is happening to my swamp milkweed, too. Now, that I know the possible reason why…I want to get rid of all my Tropical Milkweed! this website totally helped! Where can I get seeds that will produce this color of plant? 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. ; Seeds: plant your seeds directly into the soil in the fall.As an alternative, you can start your seeds indoors, 4-8 weeks before the average date of last frost. It is native to the Eastern, Southern and Midwestern United States similar to the range of the common milkweed(Asclepias syriaca). I want to buy more milkweed different varieties annd plant but no one seems to carry it on Long Island. Hi Janice, it will die back to the ground. (Should I cut some of the main stems off?) Hi Terry, this is not an issue I’ve come across. Hi Greg, there is a list of trusted milkweed vendors on my milkweed resources page, and everyone on my mailing list received this post, which is also searchable on google: Our swamp milkweed in our prairie garden is a butterfly magnet! 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