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Penstemon digitalis 'Onyx and Pearl' - Beardtongue from NVK Nurseries - Photo courtesy of Walters Gardens, Inc.

Beardtongue

Penstemon digitalis 'Onyx and Pearl'

  • Two-lipped white and pink tubular flowers
  • From a distance the flowers appear to be mostly white
  • Attractive glossy deep purple lance-shaped leaves
  • Foliage holds colour even through extreme summer heat and humidity

ZONE:
3

COLOUR:
White

HEIGHT:
90-110 cm

SPREAD:
90-100 cm

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Growing and Maintenance Tips:


Drought-tolerant. Showy perennial when planted in mass. Easy to grow in full sun in the perennial border. 

Additional Notes about Beardtongue:


The name penstemon is derived from 'Pente' (5) and 'stemon' referring to the five-stamened flowers.