Spotted Joe pye weed (Eupatorium maculatum)

Spotted Joe pye weed photograph;  MN DNR, Welby Smith

Native perennial, growing 5-6'. Joe pye weed bears a terminal cluster of tiny, purple or pink flowers, clustered thickly at top of the stem, the leaves whorled on the stem. Blooms July and August. Common along wetlands and streams and road ditches. Spotted Joe pye weed was named for an American Indian medicine man who used the plant to treat many illnesses.