California Sunflower
Helianthus californicus
Last reviewed: June 2026
California Sunflower (Helianthus californicus) 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
12"–48" H × 12"–36" W
Bloom
Jun, Jul, Aug, Sep
Native to
CA
Pollinators
bees, butterflies
Browse plants for this ecoregion
This sunflower is a perennial wildflower with bright yellow blooms that appear from summer through fall. It grows in an upright form with daisy-like flowers that reach 1-4 feet tall. This drought-tolerant native thrives in full sun with minimal water once established.
In an HOA neighborhood
California Sunflower is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 2 out of 5.
Works well in: mid zone, backyard only, foundation.
- Can appear somewhat informal or wild when in full bloom
- May look untidy during dormant season
- Height might be considered too tall for prominent front yard positions
Wildlife value
This sunflower is excellent for supporting native pollinators, attracting numerous bee species and butterflies that feed on its nectar and pollen.
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 Sunflower fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.