Spikes of deep blue tubular flowers rise above glossy evergreen foliage in early summer.
Quick Reference
- Bloom Season
- May to Jul
- USDA Zones
- 3-8
- Sun
- Full Sun
- Water
- Low - drought tolerant
- Mature Height
- 18-30"
- Bloom Colors
- BluePurple
♣ Native Species✿ Pollinator Friendly❖ Hummingbird Magnet△ Deer Resistant
Read the full Rocky Mountain Penstemon growing guide →
Companion plants, planting tips, FAQ, and more
About This Name
Penstemon strictus is the scientific name used by botanists, nurseries, and seed catalogs to identify Rocky Mountain Penstemon unambiguously. The genus Penstemon places it within a specific plant family, and using the botanical name avoids the confusion that comes with regional common names. If you're shopping for Rocky Mountain Penstemon, looking up plant care details, or comparing varieties, searching by Penstemon strictus will give you the most precise results.