Page author: David Giblin
Penstemon gairdneri
gairdner's penstemon

Distribution: East of the Cascades in Washington; Washington south to Oregon, east to Idaho.

Habitat: Dry, open sagebrush desert and scablands, low to moderate elevations in the mountains.

Flowers: May-June

Origin: Native

Conservation Status: Not of concern


Plants from a branched, woody base, the several, erect stems 1-4 dm. tall, also with short, densely-leafy sterile stems which tend to form loose mats; herbage finely gray-puberulent, with a few stalked glands in the inflorescence.


Leaves numerous, opposite to alternate, or irregularly scattered, entire, linear, seldom over 3 mm. wide.


Inflorescence of several few-flowered verticillasters; calyx 3.5-8 mm. long, the 5 segments broadly lanceolate, entire; corolla blue-purple or lavender, or occasionally bright rose-purple, 14-22 mm. long, somewhat glandular-hairy externally and internally near the mouth, the tube flared, the limb spreading; pollen sacs glabrous, ovate, 0.8-1.2 mm. long, becoming opposite; staminode bearded toward the tip.


Capsule 6-8 mm. long.

Accepted Name:
Penstemon gairdneri Hook.

Synonyms & Misapplications:
(none provided)
var. gairdneri – Gairdner's penstemon    Ferry and Chelan Counties, Washington, south to Malheur and Harney Counties, Oregon
Additional Resources:

PNW Herbaria: Specimen records of Penstemon gairdneri in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Penstemon gairdneri checklist entry.

E-Flora BC: Penstemon gairdneri atlas page.

CalPhotos: Penstemon gairdneri photos.

USDA Plants: Penstemon gairdneri information.

49 photographs:
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