Seeds of the Prairie Illinois http://www.seedsoftheprairie.com [email protected] (708) 415-8108 Location Illinois Available Species Asclepias tuberosa (butterfly milkweed) Asclepias syriaca (common milkweed) Asclepias sullivantii (prairie milkweed) Asclepias speciosa (showy milkweed) Asclepias incarnata (swamp milkweed) Asclepias verticillata (whorled milkweed)