A comprehensive database of Tennessee native plants
Full to part sun; moderately wet to dry moisture level; tolerant of a wide range of soils, including clay but prefers a sandy loam; moderately acid to neutral pH. 3-6 ft. height, blooms in summer, purple flowers, spreads rapidly by rhizomes and self-seeds.
Germination Code: C(30)
Native Region: Middle and East Tennessee plus Shelby County in the Coastal Plain Province
Plant can be somewhat weedy and invasive, but it is a favorite of Monarch butterflies. Quite drought tolerant once established. Flowers are especially fragrant and attract a wide range of insects including butterflies, moths, long tongued bees, skippers, wasps and more. It is one of the preferred food sources for Monarch caterpillars.