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Rocky Mountain Penstemon, Rocky Mountain Beardtongue
Penstemon strictus
Native to the southern foothills of the Rocky Mountains. Flower-baring stems with narrow, medium green, lance-shaped leaves grow up from a low rosette of leaves at the base. Bright purple-blue tubular flowers. Bees and Hummingbirds love the flowers and the seeds are a food source for birds. May self-sow in the landscape. Cut stems off at the base after flowers spent or after seeds sown.
- Plant type: Perennial
- Maintenance level: Low
- Water requirement: Low
- Sun exposure: Full, Part Sun, Morning Sun
- Height range: 2–3 Feet
- Width range: 1–3 Feet
- Canopy value: 3 ft²
- Growth rate: Fast
- Seasonal habit: Evergreen
- Flower color: Purple, Blue
- Flower season: Summer
- Fruit color: Brown
- Fruit season: Autumn
- General foliage color: Green
- Design style: Pollinator Plants
- Hardiness cold tolerance: 0 °F
- Soil preference: Sand, Rocky, Well Drained
- Native location: Arizona, Colorado, New Mexico, Utah, Wyoming
- PH preference: Alkaline/Basic, Neutral
- Sunset zones: 1, 2, 3, 10, 11, 12, 13
- USDA hardiness zone: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
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