How much sun does Arrowleaf buckwheat need?

Arrowleaf buckwheat grows best in full sun conditions.

When does Arrowleaf buckwheat bloom?

Arrowleaf buckwheat blooms in May, June, and July.

Where is Arrowleaf buckwheat native?

Arrowleaf buckwheat (Eriogonum compositum) is native to CA, ID, OR, WA, per vouchered herbarium specimen records and regional native plant society lists.

What pollinators does Arrowleaf buckwheat attract?

Arrowleaf buckwheat draws bees, butterflies, beetles, and flies.

Arrowleaf buckwheat

Name: Pollinator Patch
Author: Pollinator Patch

Eriogonum compositum

Last reviewed: November 2026

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

Toxicity unknown

Arrowleaf buckwheat (Eriogonum compositum) 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

10"–20" H × 18"–36" W

Bloom

May, Jun, Jul

Native to

CA, ID, OR, WA

Pollinators

bees, butterflies, beetles, flies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 461 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Coast Range Marine West Coast Forest Northwestern Forested Mountains Central California Foothills and Coastal Mountains North American Deserts

A mat-forming perennial with large silvery-green arrowhead-shaped basal leaves and tall leafless stems topped with rounded clusters of pale yellow to cream flowers. Thrives in dry, rocky, well-drained soil.

Wildlife value

The flowers attract native bees, small butterflies and beetles, and the seed heads feed finches and other seed-eating birds.

Common questions

How much sun does Arrowleaf buckwheat need?: Arrowleaf buckwheat grows best in full sun conditions.
When does Arrowleaf buckwheat bloom?: Arrowleaf buckwheat blooms in May, June, and July.
Where is Arrowleaf buckwheat native?: Arrowleaf buckwheat (Eriogonum compositum) is native to CA, ID, OR, WA, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Arrowleaf buckwheat attract?: Arrowleaf buckwheat draws bees, butterflies, beetles, and flies.

Native range data from vouchered herbarium specimen records and regional native plant society lists. 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

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