Quick answer: Western yarrow (Achillea millefolium var. occidentalis) is native to 18 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: SAplants, Wikimedia Commons (CC BY-SA 4.0)
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 | Most soils |
| Bloom | Bloom May-Sep |
| Height | 1-3 ft |
| Wildlife value | Bees, small butterflies |
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 Western yarrow
Where is Western yarrow native?
Western yarrow (Achillea millefolium var. occidentalis) is native to 18 states across the Midwest, South and West. Check your state's page in this directory for the full list of plants native where you live.
When does Western yarrow bloom?
Western yarrow blooms May-Sep. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Western yarrow need?
Light: Sun. Water: Dry. Soil: Most soils. Mature height: 1-3 ft.
Is Western yarrow good for pollinators and wildlife?
Yes. Wildlife value: Bees, small butterflies.
Is Western yarrow deer-resistant or drought-tolerant?
Western yarrow is deer-resistant and drought-tolerant.
Where can I buy Western yarrow?
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 Achillea millefolium var. occidentalis by its scientific name.
Similar native plants
Native plants that share growing conditions or range with Western yarrow.
- Lewis flax (blue flax) Linum lewisii
- Rubber rabbitbrush Ericameria nauseosa
- Showy milkweed Asclepias speciosa
- Rocky Mountain bee plant Peritoma serrulata
- Common gaillardia (blanketflower) Gaillardia aristata
- Blue grama Bouteloua gracilis
Also listed under
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