A comprehensive database of Tennessee native plants
Smooth Penstemon, Foxglove Beardtongue
Full to part sun, medium to slightly dry moisture level, adapted to a wide range of soils including clay, moderately acid to neutral pH. 3-5 ft. height, blooms late spring to early summer, white flowers, spreads by re-seeding and by short rhizomes in the root system.
Germination Code: C(30), D, G
Native Region: Scattered statewide in isolated counties
This is a good, sturdy flower for quick coverage. Blooms for a month or longer. One of the few Penstemons that do well in clay soil. Even though seeds are quite small, it spreads rapidly by re-seeding. Striking plant en masse. Will tolerate dry shade. Root rot will occur in wet, poorly drained soils. Attracts birds, bees, and butterflies.