Quick answer: Prairie ironweed (Vernonia fasciculata) is native to 14 states. What's commonly sold under this name is the true wild species. It's typically seeds, verified 16 Sep 2026.
Photo: Unknown photographer, Wikimedia Commons (PUBLIC DOMAIN)
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, Part Shade, Shade |
|---|---|
| Water | Moist, Wet |
| Soil | Fertile, moist to wet |
| Bloom | Jul-Sep |
| Height | Up to 4 ft |
| Wildlife value | Larval host for American painted lady, special value to native bees |
Aggressive growth -- too aggressive for small areas, needs competition
Buying it
Sold true to the wild species as of the last check (16 Sep 2026), via Amazon.
Sold as: Seeds via Amazon · listing verified 16 Sep 2026
See where to buy →Quick answers about Prairie ironweed
Where is Prairie ironweed native?
Prairie ironweed (Vernonia fasciculata) is native to 14 states across the Midwest and South. Check your state's page in this directory for the full list of plants native where you live.
When does Prairie ironweed bloom?
Prairie ironweed blooms Jul-Sep. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Prairie ironweed need?
Light: Sun, Part Shade, Shade. Water: Moist, Wet. Soil: Fertile, moist to wet. Mature height: Up to 4 ft.
Is Prairie ironweed good for pollinators and wildlife?
Yes. Wildlife value: Larval host for American painted lady, special value to native bees.
Is Prairie ironweed deer-resistant or drought-tolerant?
Prairie ironweed is deer-resistant, tolerates shade and handles wet soil.
Where can I buy real Prairie ironweed seed or plants?
We found a listing sold as seeds that names the true species, last checked 16 Sep 2026. Look for the scientific name Vernonia fasciculata on any listing.
Similar native plants
Native plants that share growing conditions or range with Prairie ironweed.
- Blue vervain Verbena hastata
- Prairie onion Allium stellatum
- Eastern red columbine Aquilegia canadensis
- Great blue lobelia Lobelia siphilitica
- White meadowsweet Spiraea alba
- Prairie tickseed Coreopsis palmata
Also listed under
Get the full buying guide
Every pick worth knowing across pollinators, shade, drought and more, in one PDF, with the tradeoffs spelled out. No spam, unsubscribe anytime.