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Blue Mountain beardtongue

Penstemon pennellianus

Blue Mountain beardtongue
Photo: Unknown authorUnknown author, Public domain

Blue Mountain beardtongue is a native perennial wildflower of the Blue Mountains of Washington and Oregon, growing 8 to 24 inches tall with blue or purple tubular flowers. It is a hardy, drought-tolerant plant best grown in full sun with excellent drainage.

Family
Plantaginaceae (Plantain family)
Grows as
Perennial
Light
Full sun
Water
Water deeply but infrequently, letting the soil dry out between waterings once established.
Soil
Well-drained, gritty or sandy soil; tolerates poor and rocky soils.
Temperature
Hardy in cold winters; tolerates freezing temperatures well but dislikes waterlogged soil in winter.
How easy
Easy
Native range
SE. Washington to NW. Oregon
Climate
temperate

About

Penstemon pennellianus, often called the Blue Mountain beardtongue or Blue Mountain penstemon, is a species of beardtongue native to Washington and Oregon.

Where it grows

This species is endemic to the Blue Mountains in southeastern Washington and northeastern Oregon. It reportedly grows in the following counties; Columbia (WA), Garfield (WA), Asotin (WA), Umatilla (OR), Union (OR), Wallowa (OR) and Grant (OR). It is possible it also grows in Whitman County, Washington.

Other Penstemon plants

Firleaf beardtongue · Stemless beardtongue · Sharpleaf penstemon · Los Alamos beardtongue · Alberta beardtongue · White penstemon · White River Beardtongue · Whitemargin beardtongue · Gilia beardtongue · Penstemon angelicus · Siskiyou beardtongue · Broadbeard beardtongue

Text excerpted from the Wikipedia article Penstemon pennellianus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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