Penstemon serrulatus

Common name(s): beardtongue, cascade penstemon

Description: perennial; found in the Oregon Cascade and Coast range and northward to Alaska. Finely serrated leaves and blue-violet flowers from late spring into summer. Performs best in dappled shade or with morning sun and afternoon shade.

Height: to 2 ft. Spread: to 2 ft.

Position: partial shade and well-draining soil

Uses: ornamental, to attract pollinators

Winter Hardiness: to 0 F and below

Distribution: Oregon, Washington, British Columbia, Alaska