Electric blue flower clusters on an evergreen California native. Hummingbird and bee magnet.
Quick Reference
- Bloom Season
- Mar to May
- USDA Zones
- 8-10
- Sun
- Full Sun
- Water
- Low - drought tolerant
- Mature Height
- 4-12'
- Bloom Colors
- Blue
♣ Native Species✿ Pollinator Friendly△ Deer Resistant
Read the full California Lilac growing guide →
Companion plants, planting tips, FAQ, and more
About This Name
Ceanothus thyrsiflorus is the scientific name used by botanists, nurseries, and seed catalogs to identify California Lilac unambiguously. The genus Ceanothus 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 California Lilac, looking up plant care details, or comparing varieties, searching by Ceanothus thyrsiflorus will give you the most precise results.