Quick answer: Sulphur-flower buckwheat (Eriogonum umbellatum) is native to 10 states. What's commonly sold under this name is the true wild species. No live listing of the true species was found as of 24 Oct 2026.
Photo: Walter Siegmund (talk), Wikimedia Commons (CC BY-SA 3.0)
Where it's native
Listed in the directory as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun |
|---|---|
| Water | Dry |
| Soil | Rocky, gravelly, well-drained |
| Bloom | Bloom Jun-Sep |
| Height | 4-12 in |
| Wildlife value | Bees, butterflies, host for many blues |
Buying it
No live listing of the true wild species was found as of 24 Oct 2026 — that means our last search didn't surface one, not that the plant is unavailable.
No live seed or plant listing found as of 24 Oct 2026. That means our last search didn't surface one — not that the plant is unavailable. Try a regional native-plant nursery.
Quick answers about Sulphur-flower buckwheat
Where is Sulphur-flower buckwheat native?
Sulphur-flower buckwheat (Eriogonum umbellatum) is native to 10 states across the West. Check your state's page in this directory for the full list of plants native where you live.
When does Sulphur-flower buckwheat bloom?
Sulphur-flower buckwheat blooms Jun-Sep. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Sulphur-flower buckwheat need?
Light: Sun. Water: Dry. Soil: Rocky, gravelly, well-drained. Mature height: 4-12 in.
Is Sulphur-flower buckwheat good for pollinators and wildlife?
Yes. Wildlife value: Bees, butterflies, host for many blues.
Is Sulphur-flower buckwheat deer-resistant or drought-tolerant?
Sulphur-flower buckwheat is drought-tolerant.
Where can I buy Sulphur-flower buckwheat?
We haven't found an online listing of the true wild species as of 24 Oct 2026. A regional native-plant nursery or native seed company is your best source; ask for Eriogonum umbellatum by its scientific name.
Similar native plants
Native plants that share growing conditions or range with Sulphur-flower buckwheat.
- Munro's globemallow Sphaeralcea munroana
- Arrowleaf balsamroot Balsamorhiza sagittata
- Snowbrush ceanothus Ceanothus velutinus
- Oceanspray Holodiscus discolor
- Antelope bitterbrush Purshia tridentata
- Scarlet gilia Ipomopsis aggregata
Also listed under
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