A comprehensive database of Tennessee native plants
Mad-dog Skullcap, Blue Skullcap
Full to part sun, wet to moderately wet moisture level, tolerates a wide range of soils including clay, neutral to alkaline pH. 2-4 feet height, blooms summer into fall, blue/purple/violet flowers, spreads by rhizomes.
Germination Code: C(60)
Native Region: Statewide
This plant will succeed in ordinary garden soil that does not dry out during the growing season. It is best known for its use as an herbal tea.