Quick answer: Rough coneflower (Rudbeckia grandiflora) is native to 1 state. What's commonly sold under this name is the true wild species. No live listing of the true species was found as of 16 Sep 2026.
Photo: Laura Clark, Wikimedia Commons (CC-BY-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 | Full sun |
|---|---|
| Water | Moist |
| Soil | Not recorded in the wildflower.org profile |
| Bloom | Apr-Aug |
| Height | 2.5-5 ft |
| Wildlife value | Nectar/pollen for honey bees, bugs, butterflies, beetles, special value to native bees |
Buying it
No live listing of the true wild species was found as of 16 Sep 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 16 Sep 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 Rough coneflower
Where is Rough coneflower native?
Rough coneflower (Rudbeckia grandiflora) is native to Oklahoma. Check your state's page in this directory for the full list of plants native where you live.
When does Rough coneflower bloom?
Rough coneflower blooms Apr-Aug. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Rough coneflower need?
Light: Full sun. Water: Moist. Mature height: 2.5-5 ft.
Is Rough coneflower good for pollinators and wildlife?
Yes. Wildlife value: Nectar/pollen for honey bees, bugs, butterflies, beetles, special value to native bees.
Is Rough coneflower deer-resistant or drought-tolerant?
Rough coneflower is deer-resistant.
Where can I buy Rough coneflower?
We haven't found an online listing of the true wild species as of 16 Sep 2026. A regional native-plant nursery or native seed company is your best source; ask for Rudbeckia grandiflora by its scientific name.
Similar native plants
Native plants that share growing conditions or range with Rough coneflower.
- Pincushion daisy (perfumeballs) Gaillardia suavis
- Western ironweed Vernonia baldwinii
- Stiff greenthread Thelesperma filifolium
- Texas bluebonnet (state flower) Lupinus texensis
- Fringed bluestar Amsonia ciliata
- Scarlet sage Salvia coccinea
Also listed under
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