Quick answer: Prairie rosinweed (prairie dock) (Silphium terebinthinaceum) is native to 4 states. 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: Stephencdickson, 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 | Full sun |
|---|---|
| Water | Moist to wet |
| Soil | Wet to mesic |
| Bloom | Jul-Sep |
| Height | Up to 8 ft |
| Wildlife value | Attracts birds, special value to native/bumble bees, nesting materials/structure |
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 Prairie rosinweed (prairie dock)
Where is Prairie rosinweed (prairie dock) native?
Prairie rosinweed (prairie dock) (Silphium terebinthinaceum) is native to Arkansas, Iowa, Minnesota and Missouri. Check your state's page in this directory for the full list of plants native where you live.
When does Prairie rosinweed (prairie dock) bloom?
Prairie rosinweed (prairie dock) blooms Jul-Sep. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Prairie rosinweed (prairie dock) need?
Light: Full sun. Water: Moist to wet. Soil: Wet to mesic. Mature height: Up to 8 ft.
Is Prairie rosinweed (prairie dock) good for pollinators and wildlife?
Yes. Wildlife value: Attracts birds, special value to native/bumble bees, nesting materials/structure.
Is Prairie rosinweed (prairie dock) deer-resistant or drought-tolerant?
Prairie rosinweed (prairie dock) is handles wet soil.
Where can I buy Prairie rosinweed (prairie dock)?
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 Silphium terebinthinaceum by its scientific name.
Similar native plants
Native plants that share growing conditions or range with Prairie rosinweed (prairie dock).
- White turtlehead Chelone glabra
- Cup plant Silphium perfoliatum
- Common buttonbush Cephalanthus occidentalis
- Common ninebark Physocarpus opulifolius
- White meadowsweet Spiraea alba
- Blue vervain Verbena hastata
Also listed under
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