Annual Wild Buckwheat
Eriogonum annuum
Last reviewed: August 2026

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 areaBrowse plants for this ecoregion
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
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