Snowbrush Ceanothus
Ceanothus velutinus
Last reviewed: July 2026
Snowbrush Ceanothus is a drought-tolerant evergreen shrub native to Idaho and western mountains. It produces fragrant white flower clusters from May through July, attracting bees and butterflies.
The USDA PLANTS Database (opens in new tab) does not flag Snowbrush Ceanothus as toxic to livestock.
Light
full sun
Water
low
Size
24"–120" H × 36"–96" W
Bloom
May, Jun, Jul
Native to
CA, CO, ID, MT and 3 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Snowbrush ceanothus is a robust evergreen shrub that produces clusters of fragrant white flowers from late spring through summer. This drought-tolerant native can grow quite large, making it suitable for areas where you need substantial screening or backdrop plantings.
Growing Snowbrush Ceanothus
Grow Snowbrush Ceanothus in full sun and low water. Mature plants reach 24 to 120 inches tall and spread 36 to 96 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Snowbrush Ceanothus is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: mid zone, backyard only.
- Can become quite large and sprawling without pruning
- May appear too wild or informal for conservative HOAs
- Needs space to reach natural size
Wildlife value
Host plant for Pale Swallowtail, Brown Elfin.
The abundant white flower clusters attract numerous bees and butterflies during the long bloom period. Birds also benefit from the small seeds produced after flowering.
Common questions
- When does Snowbrush Ceanothus bloom?
- Ceanothus velutinus blooms from May through July, producing dense clusters of small, fragrant white flowers that are highly attractive to pollinators.
- What pollinators visit Snowbrush Ceanothus?
- This native shrub attracts various bees and butterflies with its abundant nectar-rich flowers during the summer blooming period.
- Where is Ceanothus velutinus naturally found?
- Snowbrush Ceanothus is native to mountainous regions of Idaho and other western states, typically growing in open forests and slopes at higher elevations.
- How much water does Snowbrush Ceanothus need?
- This drought-tolerant native shrub requires minimal water once established and is well-adapted to dry mountain conditions with low to moderate moisture needs.
- Is Snowbrush Ceanothus toxic to livestock?
- The USDA PLANTS Database does not flag Snowbrush Ceanothus as toxic to livestock.
- Is Snowbrush Ceanothus HOA-friendly?
- Snowbrush Ceanothus is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Snowbrush Ceanothus? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz