| Scientific Name: | Penstemon digitalis |
| Common Name: | smooth beard tongue |
| Family Name: | Plantaginaceae |
| Origin: | U.S. - northeast |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Herbaceous perennial |
| Mature Size: | 0.7 - 1.3m x 0.3 - 0.6m (height x width) |
| Habit: | Spreading, Upright |
| Form: | Mounded, Oval - vertical |
| Texture: | Medium - fine |
| Landscape Uses: | Attract beneficial insects, Attract birds, Attract butterflies, Container planting, Cut flower or foliage, Group or mass planting, Perennial border, Summer interest |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Humus rich, Well-drained |
| Leaves: | Simple, Opposite, Sessile, Soft flexible, Pinnate venation, Glabrous, Oblanceolate, Oblong, Spatulate, Entire, Serrulate, Undulate (wavy) |
| Flowers: | Thyrse, White, Pink, Jun-Jul-Aug |
| Fruit: | Capsule, Green, Brown, Sep-Oct-Nov |
| Key ID Features: | |
| Floppy herbaceous perennial; basal leaves ovate and resemble spinach; opposite leaves on floral stalk sessile and dentate; florets white, on a tall panicle-like thyrse. | |