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Bransford, W.D. and Dolphia
Penstemon ambiguus Torr.
Gilia beardtongue, Pink plains penstemon, Pink plains beardtongue, Sand penstemon
USDA Symbol: PEAM
USDA Native Status: Native to U.S.
Pink plains beardtongue or sand penstemon is a mounded, fine-stemmed, shrub-like perennial, 1-3 ft. tall. In bloom, billows of whitish-pink, tubular flowers with pansy-like faces cover the plant. Masses of pinkish-white flowers bloom atop upright stems. Flowering increases with age as the woody base produces more stems. Leaves are thread-like in width, some persisting year-round.
Pink Plains Penstemon blooms most heavily in May, then continues until Oct., depending on moisture. The plant will tolerate extreme heat and drought conditions.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Flower 1 inch
Fruit: Size Class:
Bloom InformationBloom Color: Pink
Bloom Time: May , Jun , Jul , Aug , Sep , Oct
AZ , CO , KS , NM , NV , OK , TX , UT , WY Native Distribution:
KS & CO to s. UT & NV, s. to w. TX, e. NM & Mex. Native Habitat:
Sandy plains, hills & mesas USDA Native Status: L48(N)
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Sandy, Sandy Loam
Conditions Comments: Sand penstemon blooms most heavily in May, then continues until Oct., depending on moisture. The plant will tolerate extreme heat and drought conditions.
Showy, Long-blooming, Blooms ornamental, Perennial
garden Use Wildlife:
Cover, Nectar-insects Warning:
This plant contains substances that can cause painful irritation of the mouth and throat if ingested. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil. Conspicuous Flowers:
PropagationPropagation Material: Seeds
Description: Plants may be progagated by root division or seed sown in cool soil Ė spring or early fall.
Seed Collection: Not Available
Seed Treatment: Germination is best with cold-moist stratification.
Commercially Avail: yes
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Record Modified: 2009-02-21
Research By: TWC Staff