Boneset #2 (Eupatorium perfoliatum)

Rounded heads of white flowers late-summer into early fall. Blooms for weeks! Attracts Butterflies. Host for 40 species of Lepidoptera. Average to wet soil. Great for rain gardens. Spreads freely when well sited. Moderate salt tolerance. Medicinal uses. OH native. Full sun to part shade. 4′ Zone 4