How much sun does Anglestem buckwheat need?

Anglestem buckwheat grows best in full sun conditions.

When does Anglestem buckwheat bloom?

Anglestem buckwheat blooms in May, June, July, August, and September.

Where is Anglestem buckwheat native?

Anglestem buckwheat (Eriogonum angulosum) is native to CA, per the World Checklist of Vascular Plants (Kew).

What butterflies or moths does Anglestem buckwheat host?

Anglestem buckwheat is a larval host plant for acmon blue.

Anglestem buckwheat

Name: Pollinator Patch
Author: Pollinator Patch

Eriogonum angulosum

Last reviewed: November 2026

Anglestem buckwheat (Eriogonum angulosum) is a annual forb native to CA. It blooms in May, June, July, August, and September. The flowers draw bees and butterflies.

Watering reminders and freeze alerts for Anglestem buckwheat, free in the app.

Toxicity unknown

Anglestem buckwheat (Eriogonum angulosum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

4"–20" H × 8"–16" W

Bloom

May, Jun, Jul, Aug, Sep

Native to

Pollinators

bees, butterflies

Before you buy

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Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Anglestem buckwheat.

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Browse plants for this ecoregion

Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains Central Basin and Range Mojave Basin and Range Southern California/Northern Baja Coast

A branching annual buckwheat with small oval leaves clustered near the base and airy sprays of tiny white to pink flowers held on wiry, angled stems. It grows in dry open ground and disturbed sites.

Growing Anglestem buckwheat

Grow Anglestem buckwheat in full sun and low water. Mature plants reach 4 to 20 inches tall and spread 8 to 16 inches wide.

Wildlife value

Host plant for acmon blue.

Buckwheats are exceptional pollinator plants, and this species serves as a documented larval host for the acmon blue butterfly.

Common questions

How much sun does Anglestem buckwheat need?: Anglestem buckwheat grows best in full sun conditions.
When does Anglestem buckwheat bloom?: Anglestem buckwheat blooms in May, June, July, August, and September.
Where is Anglestem buckwheat native?: Anglestem buckwheat (Eriogonum angulosum) is native to CA, per the World Checklist of Vascular Plants (Kew).
What butterflies or moths does Anglestem buckwheat host?: Anglestem buckwheat is a larval host plant for acmon blue.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Anglestem buckwheat? Add it to your garden in the Pollinator Patch App to track it and get season-by-season care guidance.

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