
Flower profile
California buckwheat
Eriogonum fasciculatum
California buckwheat is a flowering plant that USDA PLANTS lists as native in the lower 48 states. In California it's most often seen in bloom in January–December.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: California
Quick look
Eriogonum fasciculatum is a species of wild buckwheat known by the common names California buckwheat and flat-topped buckwheat. Characterized by small, white and pink flower clusters that give off a cottony effect, this species grows variably from a patchy mat to a wide shrub, with the flowers turning a rusty color after blooming.
- It belongs to the Polygonaceae family. iNaturalist
- USDA PLANTS describes it as a shrub / a subshrub with a perennial life cycle. USDA PLANTS
- USDA PLANTS lists it as native in the lower 48 states and records it in 4 states. USDA PLANTS
- NatureServe lists it as native to California. NatureServe
- In California, most iNaturalist sightings of it in flower come in January–December. iNaturalist
- USDA PLANTS lists its flower color as white. USDA PLANTS
- USDA PLANTS gives its bloom period as early summer. USDA PLANTS
- USDA PLANTS lists a mature height of about 2 ft. USDA PLANTS
- iNaturalist has 54,070 research-grade sightings of it in California, ranking #2 among the 110 flowers on our California list. iNaturalist
California buckwheat gift ideas
Handmade california buckwheat gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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California buckwheat art print
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California buckwheat greeting card
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California buckwheat mug
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California buckwheat earrings
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California buckwheat embroidery pattern
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California buckwheat sticker
When does it bloom?
In California, most flowering sightings come in January–December.
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- G5 Secure worldwide. NatureServe
- California
- Not listed Not on California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026). NatureServe: SNR, not yet ranked in California. CNDDB listed plants (July 2026)
- Rare elsewhere
- No other U.S. state ranks it S1, S2, SH or SX.
Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.
Can you eat it?
None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.
It isn't on the ASPCA plant list.
🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.
Where does it grow?
USDA PLANTS records California buckwheat in 4 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
Arizona, California, Nevada, Utah.
California counties with USDA records: Alameda, Butte, Fresno, Imperial, Inyo, Kern, Kings, Los Angeles, Marin, Merced, Mono, Monterey, Orange, Riverside, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Stanislaus, Trinity, Tulare, Ventura.
More California flowers
Sources
- USDA, NRCS. PLANTS Database, profile ERFA2.
- iNaturalist, Eriogonum fasciculatum: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Eriogonum fasciculatum (lead quoted under CC BY-SA 4.0).
- California: California state-listed endangered, threatened and rare plants (14 CCR § 670.2), per CDFW's CNDDB list (July 2026).
- California: California noxious weed species (3 CCR § 4500).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Eriogonum fasciculatum (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Vasily Reinkymov via iNaturalist · CC0 · resized.


