Smooth Ironweed (Vernonia fasciculata)
A.k.a. common ironweed. Blooms with conspicuously vivid purple flowers. Wild plants are most often seen in wet areas with seasonal flooding, but they adapt well to average, mesic garden beds. Rarely bothered by herbivores, and easily self-seeds in disturbed areas.
Light: Full Sun
Soil Moisture: Wet Mesic, Mesic
Soil Type: Loam
Bloom Color: Purple
Bloom Time: Aug-Sep
Root Type: Fibrous
Notable Wildlife Interactions: Flowers attract mainly long-tonged bees, butterflies, and skippers. Hosts several moths including the red groundling and parthenice tiger moth. Bitter foliage deters grazing.