You have identified:

Common Milkweed
(Asclepias syriaca)

© George F. Russell http://plants.usda.gov

General Information: Common milkweed is a milky-juiced, downy perennial that grows 2’ to 4’ high.  Stems produce relatively large leaves and pink-purple flowers in globe-shaped clusters.  Its warty seedpods distinguish this species from other milkweeds.  A member of the Milkweed family, it is found in fields and roadsides and flowers from June to August.

• Medicinal Significance
• Economic Uses

Gleason, H. A.  1952.  The New Britton and Brown Illustrated Flora of the Northeastern United States and Adjacent Canada.  3 vols.  New York: Hafner Press.

Newcomb, L.  1977.  Newcomb's Wildflower Guide.  Boston: Little, Brown, and Company.