California Wild Buckwheat
Eriogonum fasciculatum
Last reviewed: June 2026

California Wild Buckwheat (Eriogonum fasciculatum) 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 × 24"–72" W
Bloom
May, Jun, Jul, Aug, Sep
Native to
AZ, CA, NV, UT
Pollinators
bees, butterflies, moths
Browse plants for this ecoregion
A hardy native shrub with clusters of white to pink flowers that age to a rusty brown. It forms a rounded mound of narrow gray-green leaves and produces abundant blooms from spring through fall.
In an HOA neighborhood
California Wild Buckwheat is an HOA-friendly choice in the right placement. Maintenance level: low. Tidiness: 2 out of 5.
Works well in: foundation, mid zone, backyard only.
- Rusty brown seed heads persist after blooming
- Can appear leggy or sparse in poor conditions
- May look too informal for traditional landscape preferences
Wildlife value
Host plant for Mormon metalmark, Acmon blue.
Extremely valuable to native wildlife, supporting over 30 butterfly species including endangered butterflies, plus numerous bee species, moths, and beneficial insects.
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 Wild Buckwheat fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.