Quick answer: Showy milkweed (Asclepias speciosa) is native to 17 states. What's commonly sold under this name is the true wild species. It's typically seed, verified 24 Oct 2026.
Photo: vicki watkins from USA, Wikimedia Commons (CC BY 2.0)
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-Medium |
| Soil | Most soils, tolerates clay |
| Bloom | Bloom May-Aug |
| Height | 2-4 ft |
| Wildlife value | Monarch host, bees, butterflies |
Milky sap toxic if eaten; keep from livestock
Buying it
Sold true to the wild species as of the last check (24 Oct 2026), via Amazon.
Sold as: Seed via Amazon · listing verified 24 Oct 2026
See where to buy →Quick answers about Showy milkweed
Where is Showy milkweed native?
Showy milkweed (Asclepias speciosa) is native to 17 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 Showy milkweed bloom?
Showy milkweed blooms May-Aug. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Showy milkweed need?
Light: Sun. Water: Dry-Medium. Soil: Most soils, tolerates clay. Mature height: 2-4 ft.
Is Showy milkweed good for pollinators and wildlife?
Yes. Wildlife value: Monarch host, bees, butterflies.
Is Showy milkweed deer-resistant or drought-tolerant?
Showy milkweed is deer-resistant and drought-tolerant.
Is Showy milkweed toxic?
Milky sap toxic if eaten; keep from livestock.
Where can I buy real Showy milkweed seed or plants?
We found a listing sold as seed that names the true species, last checked 24 Oct 2026. Look for the scientific name Asclepias speciosa on any listing.
Similar native plants
Native plants that share growing conditions or range with Showy milkweed.
- Lewis flax (blue flax) Linum lewisii
- Rubber rabbitbrush Ericameria nauseosa
- Western yarrow Achillea millefolium var. occidentalis
- Narrowleaf milkweed Asclepias fascicularis
- Rocky Mountain bee plant Peritoma serrulata
- Common gaillardia (blanketflower) Gaillardia aristata
Also listed under
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