Penstemon newberryi var. sonomensis 'St. Helena'
From California Natives Wiki
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
- Care and Maintenance
- Other Names