Penstemon davidsonii Greene
Davidson's penstemon, Davidson's beardtongue, Timberline penstemon, Timberline beardtongue, Alpine penstemon, Alpine beardtongue, Blue color mat
Scrophulariaceae (Figwort Family)
USDA Symbol: PEDA2
A flat, mat-forming perennial with flowering branches less than 4 in. high. The thick, round leaves are dark green, sometimes red-tinged. A matted plant with a woody base and stems, opposite, crowded leaves, and blue-lavender, bilaterally symmetrical flowers clustered on short erect stems. The short flowering branches usually bear 2-4 blue-purple to rose-purple flowers that seem unusually large for such a matted plant.
From the Image Gallery
Bloom InformationBloom Color: Purple
Bloom Time: Jul , Aug
DistributionUSA: CA , NV , OR , WA
Native Distribution: S. B.C. to Tulare Co., CA & NV
Native Habitat: Rocky, alpine & sub-alpine woods & fields
Growing ConditionsLight Requirement: Sun
Soil Description: Well-drained soil with some summer water.
Conditions Comments: Must have winter snowcover.
BenefitUse Wildlife: Hummingbirds
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationDescription: Propagate using half-woody cuttings or seed.
Seed Collection: Not Available
Seed Treatment: 1-2 months stratification is necessary.
Commercially Avail: yes
Find Seed or Plants
View propagation protocol from Native Plants Network.
From the National Suppliers DirectoryAccording to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Oregon Native Plant Nursery - Woodburn, OR
Additional resourcesUSDA: Find Penstemon davidsonii in USDA Plants
FNA: Find Penstemon davidsonii in the Flora of North America (if available)
Google: Search Google for Penstemon davidsonii
MetadataRecord Modified: 2014-07-17
Research By: TWC Staff