California Live Oak
Quercus agrifolia
Last reviewed: June 2026
California Live Oak (Quercus agrifolia) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
240"–720" H × 240"–720" W
Bloom
Mar, Apr, May
Native to
CA
Pollinators
bees, beetles
Browse plants for this ecoregion
This live oak is a magnificent evergreen tree native to coastal regions. It features dark green, spiny leaves and develops a broad, rounded crown with age. This drought-tolerant oak can live for centuries and serves as a cornerstone species in its native ecosystems.
In an HOA neighborhood
California Live Oak is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: backyard only, street edge, mid zone.
- Mature size (20-60 ft) may be too large for smaller properties
- Leaf and acorn drop requires seasonal cleanup
- Root systems may interfere with hardscaping over time
Wildlife value
Host plant for myrtle blue butterfly, California sister butterfly.
This oak provides exceptional wildlife value, supporting numerous native insects, birds, and mammals. Its acorns are a crucial food source for many species, while its structure offers nesting habitat for birds.
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 Live Oak fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.