California Oat Grass
Danthonia californica
Last reviewed: June 2026

Light
full sun
Water
low
Size
12"–24" H × 6"–12" W
Bloom
May, Jun, Jul
Native to
AZ, CA, CO, ID and 8 more states
Browse plants for this ecoregion
California oat grass is a compact native bunch grass that forms neat clumps. It produces delicate seed heads in late spring and early summer, adding graceful texture to drought-tolerant gardens.
In an HOA neighborhood
California Oat Grass is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
This grass provides seeds for birds and nesting material for small wildlife. The flowers attract beneficial insects during the blooming period.
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.
Does California Oat Grass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.