![Smooth Penstemon, Foxglove Beardtongue - Penstemon digitalis](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/foxglove-penstemon_close_up1.jpg)
Common Name: 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
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.
![Smooth Penstemon, Foxglove Beardtongue - Penstemon digitalis 4](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/mass-planting-smooth-penstemon3.jpg)
![Smooth Penstemon, Foxglove Beardtongue - Penstemon digitalis 3](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/mass-planting-smooth-penstemon.jpg)
![Smooth Penstemon, Foxglove Beardtongue - Penstemon digitalis 2](https://tnyards.utk.edu/wp-content/uploads/sites/170/2021/02/mass-planting-smooth-penstemon-2.jpg)