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Penstemon buckleyi (Buckley's penstemon)
Bransford, W.D. and Dolphia

Penstemon buckleyi

Penstemon buckleyi Pennell

Buckley's Penstemon, Buckley's Beardtongue

Scrophulariaceae (Figwort Family)


USDA Symbol: pebu

USDA Native Status: L48 (N)

Stiff, whitish-gray stems ascend 16-30 in. and bear thick, waxy, opposite leaves. Showy, pale blue to lavender flowers are borne on a dense, leafy spike-like cluster. Each funnel-shaped flower is nestled in the axil of a floral bract. The throat is marked with prominent purple lines.


From the Image Gallery

10 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 30 inches tall.

Bloom Information

Bloom Color: Red , Blue , Purple
Bloom Time: Apr , May , Jun
Bloom Notes: Lavender or pinkish blue, with reddish or reddish purple nectar guides.


USA: CO , KS , NE , NM , OK , TX
Native Distribution: S.w. KS to c. TX, w. to s.e. CO & e. NM
Native Habitat: Sand dunes; high plains

Growing Conditions

Light Requirement: Sun
Soil Description: Deep, sandy soil.

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Web Reference

Webref 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 resources

USDA: Find Penstemon buckleyi in USDA Plants
FNA: Find Penstemon buckleyi in the Flora of North America (if available)
Google: Search Google for Penstemon buckleyi


Record Modified: 2023-02-21
Research By: TWC Staff

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