Penstemon strictus (Rocky Mountain Penstemon)

Penstemon strictus

Clump-forming perennial

Evergreen or semi-evergreen

Height: 60cm when in flower

Spacing: 30cm

Full sun or partial shade

Flowering: summer

Cottage-style gardens

Perennial borders

Drought tolerance: good

Frost tolerance: very good

Wind tolerance: good

Suggested plantings:

·         Cluster of 5 or more plants.

Self-seeding can be minimised by:

·         Removing dead flowers before seeds mature.

·         Applying a layer of mulch about 5cm deep.