Photo Courtesy of Walters Gardens

Penstemon digitalis Onyx and Pearls (Beardtongue)

This herbaceous perennial features racemes of white, tubular flowers on tall stems bearing deep burgundy foliage of long green elliptic basal and lance-shaped stem leaves. The contrast of flowers and foliage looks almost black and white from afar, hence the variety name. Moderate growth rate.

Blooms early summer
3.5 ft tall x 3-3.5 ft spread
HARDY to -40°F (-40°C)
Deer and rabbit resistant
Humidity tolerant
Drought tolerant
Salt tolerant


Zone Zone 3
Exposure Full Sun
Moisture Low to Moderate Moisture
Native to Nativar
Patent Info PP32613