Denver Plants

Common name: Tall Penstemon
Latin name:
Penstemon unilateralis

Penstemon unilateralis - Tall Penstomon
Annual/Perennial: Perennial

Flowers: June to July
Flower size:
3/4" to 1"

Found in:
Foothills to Montane
Height: 24" to 30"
Invasive:
No
Native species:
No
Useful in garden: Yes

Image taken:
High Grade Road

Pictured Wildflower: Tall Penstemon Penstemon unilateralis
Wildflower Field notes: The flowers of Tall Penstemon all grow on one side of the stem. They are either blue or a shade of purple. Tall Penstemon can be found in large clumps along hillsides, and roadways in full sun.
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