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.