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Penstemon digitalis

foxglove beardtongue add to wishlist

Plant types and subtypes: Perennials

Light Requirements: sun, part-sun, part-shade

Water Use: low, medium

Soil Moisture: dry, moist

Soil Description: acid, neutral, rich, average, loam, clay, sand

Height: 3'-5'

Bloom Time: April, May, June

Bloom Color: white

Leaf Color: green

Hardiness Zone: 4, 5, 6, 7, 8

Additional Tags: attracts bees, attracts butterflies, attracts hummingbirds, clumping, cottage garden plant, cut flowers, deer resistant, drought tolerant, naturalizing

Flowers of Penstemon digitalis (white beardtongue)
  • Flowers of Penstemon digitalis (white beardtongue)
  • Flowers of Penstemon digitalis (white beardtongue)
  • Flowers of Penstemon digitalis (white beardtongue)
  • Flowers of Penstemon digitalis (white beardtongue)

Pricing & Availability

Description

Penstemon digitalis

Also known as:

foxglove beardtongue

,

Mississippi pentsemon

,

smooth white beardtongue

,

white beardtongue

,

talus slope pentsemon

,

tall white beardtongue

Scientific Synonyms:

Penstemon laevigatus ssp. digitalis, Penstemon laevigatus var. angulatus

Description

The trumpet-shaped flowers of Penstemon digitalis grow in terminal clusters on erect, stiff stems to a height of 5 feet. The white petals may have pink or lavender hues, and their throats may be purple-veined. The genus derives its name from the Greek word penstemon which means five stamens. One of these is sterile and hairy whereby the common name beardtongue. The leaves are lance-shaped and tinged with red at the base of the plant.

Cultivation

This drought tolerant species will grow best in average to rich, acidic soil in full sun. Penstemon digitalis adapts to either loam, sand or clay, so long as the soil is well-drained. It will slowly spread by seed under ideal conditions. Blooms in late late spring, April to June. Zones 4-8

Propagation

Propagate from seed, or by root division in early spring or fall.

Additional Notes

By some accounts, foxglove beardtongue is indigenous only to the Mississippi Basin. It is however a rather common wildflower, often seen along dry road sides. It may be considered semi-evergreen in the South.

Native Range & Classification

Recorded County Distribution: USDA data

Native Range:
AL, AR, CT, DC, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV

USDA Endangered Status:

  • Special Concern: RI

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Magnoliopsida Dicotyledons
Subclass Asteridae
Order Scrophulariales
Family Scrophulariaceae Figwort family
Genus Pentsemon beardtongue
Species Penstemon digitalis foxglove beardtongue