California Buckwheat

Eriogonum fasciculatum, Polygonaceae

Zones

8–11

Layer

Shrub

Lifespan

Perennial

Growth

Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest ConfuserGround Cover

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

BuckbrushCeanothus cuneatus

Nitrogen FixationBeneficial Insect Habitat

Plains Prickly PearOpuntia polyacantha

Beneficial Insect HabitatPollinator Sharing

Pale Evening PrimroseOenothera pallida

Pollinator SharingNurse Plant

Greenleaf ManzanitaArctostaphylos patula

Beneficial Insect HabitatNurse Plant

Antagonistic Plants

California BromeBromus carinatus

California buckwheat produces allelopathic compounds that can suppress grass growth, including native bromes

Mexican Tree OcotilloFouquieria macdougalii

Large desert shrubs like ocotillo can suppress smaller shrub establishment through root competition and water competition

Uses

Functions

Pollinator SupportErosion ControlWildlife HabitatDrought Tolerance

Edible Parts

Seeds

Medicinal Uses

Traditional Digestive Aid

Common Questions

What zones does California Buckwheat grow in?

California Buckwheat grows in USDA hardiness zones 8 through 11.

What are good companion plants for California Buckwheat?

Good companions for California Buckwheat include Buckbrush, Plains Prickly Pear, Pale Evening Primrose, Greenleaf Manzanita.

Design guilds with California Buckwheat and see companion relationships visually.

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