Rocky Mountain Penstemon (Penstemon strictus)

Light:

Sun

Flowering:

Early Summer

Soil:

Dry, well drained

Height:

24 to 30 inches

Color:

Deep violet blue

Hardiness:

Zone 4. Native to western states.

Uses:

Mixed borders, cutting. Loved by humming birds.

Care:

Best in a sunny well drained location. Cut flowering stalks to the ground after blooming to maintain vigor and improve appearance.

Native:

No