Penstemon Strictus

Penstemon strictus (Rocky Mountain Penstemon)
A hardy, clump-forming perennial prized for its upright spikes of vivid violet-blue, tubular flowers that bloom from late spring into summer. Its narrow, deep green foliage provides attractive texture, while the flowers attract bees, butterflies, and hummingbirds. Excellent for borders, rock gardens, and drought-tolerant landscapes.

Mature Size: 18–24 in tall, 12–18 in wide
Sun Requirements: Full sun
USDA Zones: 4–9