Theodore Payne California Native Plant Database

Penstemon newberryi var. sonomensis 'St. Helena'

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Species Name: Penstemon newberryi var. sonomensis 'St. Helena'
Common Name: St. Helena Penstemon

Superb in rock gardens. Visited by many pollinators including hummingbirds. Provide periodic deep soaking to keep lush.

Plant Family: Scrophulariaceae
Plant Type: Perennial
Height by Width: 1' H x 2' W
Growth Habit: Low, mat-like
Deciduous/Evergreen: Evergreen
Growth Rate: Fast
Sun Exposure: Full to part sun
Soil Preference: Well-draining
Water Requirements: Infrequent to occasional
Cold Hardy to: 15 degrees F
Flower Season: Spring/Summer
Flower Color: Rose-purple
Endangered?: List 1B/ RED 3-1-3
Distribution: Selected for use in the garden; Northern coast range of California from 2,000' to 4,000'
Natural Habitat: Rocky outcrops

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