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Annual Wild Buckwheat

Eriogonum annuum

Last reviewed: August 2026

Annual Wild Buckwheat (Eriogonum annuum)
Photo: Patrick Alexander from Las Cruces, NM / Wikimedia Commons (CC0)

Toxicity unknown

Annual Wild Buckwheat (Eriogonum annuum) 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

12"–36" H × 6"–24" W

Bloom

Jun, Jul, Aug, Sep

Native to

CO, KS, MT, ND and 6 more states

Pollinators

bees, butterflies

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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Annual wild buckwheat forms bushy clumps with small white to pink flower clusters from summer into fall. This drought-tolerant annual readily self-seeds and provides long-lasting blooms in sunny, well-drained locations.

In an HOA neighborhood

Annual Wild Buckwheat takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Annual nature creates inconsistent appearance
  • Can look weedy with small scattered flowers
  • Self-seeding may appear uncontrolled

Wildlife value

The abundant small flowers attract native bees and butterflies throughout the growing season. Seeds provide food for birds in late fall.

Common questions

How much sun does Annual Wild Buckwheat need?
Annual Wild Buckwheat grows best in full sun conditions.
When does Annual Wild Buckwheat bloom?
Annual Wild Buckwheat blooms in June, July, August, and September.
Where is Annual Wild Buckwheat native?
Annual Wild Buckwheat (Eriogonum annuum) is native to CO, KS, MT, ND and 6 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Annual Wild Buckwheat attract?
Annual Wild Buckwheat draws bees and butterflies.
Is Annual Wild Buckwheat HOA-friendly?
Annual Wild Buckwheat takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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

Ready to grow Annual Wild Buckwheat? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz