You cannot add "Milkweed, Butterfly Weed" to the cart because the product is out of stock. Milkweed, Rose or Swamp$7.00 in deep 4″ round biodegradable pot Out of stock Description ... aka Swamp Milkweed (Asclepias incarnata) Grows best in moist soil but will tolerate average soils, and blooms for about a month mid-summer. Flowers are followed by large pods which break open to reveal seeds that float away in the wind. Fragrant flowers. Kartesz, J.T., The Biota of North America Program (BONAP). 2023. Taxonomic Data Center. (http://www.bonap.net/tdc). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2023. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)] You might also like... Catmint $4.00 Select options Soft Goldenaster $4.00 Add to cart