Penstemon serrulatus, Cascade Penstemon, Coast Penstemon, Serrulate Penstemon

Dancing Oaks Nursery and Gardens Verified independent store

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Spring and summer blue-purple to pink tubular flowers broadcast their beauty in clustered semi-whorls. Long stems are clasped by serrated, arrow-shaped leaves. This Penstemon doesn 't mind moist soil and is even a bit clay-tolerant. Native from the coast to 6,000 feet in OR, WA, British Columbia, and AK. Mature size: 1 - 2 ft T & 0.5 - 1 ft W Minimum temperature: -10° F Show more