Loughmiller, Campbell and Lynn
Penstemon grandiflorus Nutt.
Large beardtongue, Large-flower beardtongue, Large-flowered penstemon
Scrophulariaceae (Figwort Family)
Large, lavender, horizontally arranged, tubular flowers on a smooth
stem above
opposite, blue-green,
clasping leaves and in axils of similar leafy bracts. This perennial’s stout, unbranched stems, 2-3 ft. tall, bear
opposite, blue-green, waxy leaves and pink to bluish-lavender, tubular flowers. The large flowers extend horizontally on short stalks from the axils of leafy bracts near top of stem.
This handsome plant is especially spectacular when growing in masses. It occasionally escapes from cultivation in the East. At least 15 species of Penstemon occur in eastern North America, and there are many more in the West.
Image Gallery:
3 photo(s) available
Plant Characteristics
Duration: Perennial Habit: Herb Flower:
Fruit: Size Class: 1-3 ft.
Bloom Information
Bloom Color: Pink , Purple
Bloom Time: May , Jun
Distribution
USA: CO , CT , IL , IN , IA , KS , MA , MN , MO , MT , NE , ND , OH , OK , SD , TX , WI , WY
Native Distribution: IL to ND & s.e. MT, s. to c. TX
Native Habitat: Dry prairies
USDA Native Status: L48(N) Growing Conditions
Light Requirement: Sun
Soil Description: Sandy soils.
Conditions Comments: Not Available
Last Update: 2012-10-03