Swamp milkweed, Asclepias incarnata
States grown: AL, AR, CO, CT, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, PA, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY
Asclepias incarnata is commonly named swamp milkweed, rose milkweed, swamp silkweed, and white Indian hemp. It is a perennial that is native in North America but only in the states listed above. It prefers damp to wet soils.
This plant is often sold as a cultivar for specific color blooms and may be labeled with "Soul Mate" other variations. Cultivar varieties should be limited to your planters because they are not the same as the native plant referenced here.
Swamp milkweed, Asclepias incarnata seeds
Botanical name: Asclepias incarnata. Start the seeds in a week using water germination or sow in the fall for a more natural method called cold moist stratification. Either way the monarch butterfly will appreciate having this milkweed available.
New Mexico/2020 is an Asclepias incarnata spp. pulchra packet that contains 25 seeds.
South Dakota/2020 is an Asclepias incarnata packet that contains one gram of seeds.
Utah/2021 is an Asclepias incarnata packet collected in a roadside marsh North of Salt Lake City Utah that contains 25 seeds.
View Swamp milkweed observations on iNaturalist
View Swamp milkweed plant information at Wildflower.org
View Swamp milkweed plant information at Plants.USDA.gov