California Lomatium
Lomatium californicum
Last reviewed: June 2026
California Lomatium (Lomatium californicum) 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
4"–24" H × 4"–12" W
Bloom
Mar, Apr, May
Native to
CA, OR
Pollinators
bees, beetles, flies
Browse plants for this ecoregion
Lomatium californicum is a low-growing native perennial forb with finely divided, fern-like foliage. It produces clusters of yellow flowers on tall stems in spring. The plant goes dormant in summer heat.
In an HOA neighborhood
California Lomatium is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 2 out of 5.
Works well in: mid zone, backyard only, foundation.
- Goes dormant and can look dead in summer
- Not traditionally ornamental in appearance
- Best mixed with other plants that provide summer interest
Wildlife value
Valuable spring nectar source for native bees, beetles, and flies when many other plants aren't yet blooming. The flat-topped flower clusters are particularly attractive to smaller pollinators.
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 Lomatium fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.