Asclepias verticillata Common Names whorled milkweed Family Apocynaceae Habitat dry soils in full sun Observed Blooming late June, 2017 [in garden] mid August, 2019 Conservation threatened in Massachusetts special concern in Rhode Island S3/watchlist in Maryland Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Like Loading...