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Penstemon angustifolius Nutt. ex Pursh
Broadbeard Penstemon, Broadbeard Beardtongue, Whorled Penstemon, Whorled Beardtongue
Scrophulariaceae (Figwort Family)
USDA Symbol: PEAN4
USDA Native Status: L48 (N)
Slender stems to 2 ft. with numerous intense-blue, tubular, unevenly 5-lobed flowers in stalked clusters, rising in pairs from upper leaf axils. Leaves are glaucous, blue-green.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.
Bloom InformationBloom Color: Pink , Blue , Purple , Violet
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: AZ , CO , KS , MT , ND , NE , NM , OK , SD , UT , WY
Native Distribution: ND to e. MT & c. WY, s. to OK, n. NM, w. CO, e. UT & n.w. AZ
Native Habitat: Prairies; sand hills
Growing ConditionsWater Use: Low
Light Requirement: Sun
CaCO3 Tolerance: High
Soil Description: Sandy soils or light loams
BenefitConspicuous Flowers: yes
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 by seed.
Seed Treatment: Germination is best with cold-moist stratification.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Tohono Chul Park, Inc. - Tucson, AZ
Native Seed Network - Corvallis, OR
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Penstemon angustifolius in USDA Plants
FNA: Find Penstemon angustifolius in the Flora of North America (if available)
Google: Search Google for Penstemon angustifolius
MetadataRecord Modified: 2023-02-21
Research By: TWC Staff