It blooms from late spring to early summer. The flowers are green and white.
Poke milkweed is found in moist woodlandhabitats, shores, and woodland edges.[2] It grows in moist soil and sunny or partly shaded places. It grows from 0.6 to 1.5 meters (2.0 to 4.9 ft) tall.[3]
^Cullina, W. (2000). Wildflowers: A Guide to Growing and Propagating Native Flowers of North America. The New England Wildflower Society. ISBN0-395-96609-4.