Penstemon 'Catherine de la Mare'

Common name(s): beardtongue

Description: perennial; a chance seedling found in the Hertfordshire garden of Richard de La Mare and named for his wife. Thought to be a cross between P. heterophyllus and another unknown species. Mostly evergreen serrated foliage and a marvelous show of copious blue-purple flowers late spring into summer.

Height: to 18 in. Spread: to 18 in.

Position: full sun and well-draining soil

Uses: ornamental, to attract pollinators

Winter Hardiness: to 0 F and below