Quick answer: Common buttonbush (Cephalanthus occidentalis) is native to 29 states. What's commonly sold under this name is the true wild species. It's typically seeds, verified 15 Sep 2026.
Photo: The Cosmonaut, 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 | Part Shade, Shade |
|---|---|
| Water | High water, Moist-Wet |
| Soil | Limestone-based, sandy, sandy loam, medium loam, clay loam, clay |
| Bloom | Bloom Jun-Sep |
| Height | Shrub 6-12 ft |
| Wildlife value | Nectar source for butterflies/bees/insects, ducks and shorebirds eat seeds, special value to native and honey bees |
Poisonous foliage, unpalatable to livestock.
Buying it
Sold true to the wild species as of the last check (15 Sep 2026), via Amazon.
Sold as: Seeds via Amazon · listing verified 15 Sep 2026
See where to buy →Quick answers about Common buttonbush
Where is Common buttonbush native?
Common buttonbush (Cephalanthus occidentalis) is native to 29 states across the Northeast, Midwest and South. Check your state's page in this directory for the full list of plants native where you live.
When does Common buttonbush bloom?
Common buttonbush blooms Jun-Sep. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Common buttonbush need?
Light: Part Shade, Shade. Water: High water, Moist-Wet. Soil: Limestone-based, sandy, sandy loam, medium loam, clay loam, clay. Mature height: Shrub 6-12 ft.
Is Common buttonbush good for pollinators and wildlife?
Yes. Wildlife value: Nectar source for butterflies/bees/insects, ducks and shorebirds eat seeds, special value to native and honey bees.
Is Common buttonbush deer-resistant or drought-tolerant?
Common buttonbush is tolerates shade and handles wet soil.
Is Common buttonbush toxic?
Poisonous foliage, unpalatable to livestock.
Where can I buy real Common buttonbush seed or plants?
We found a listing sold as seeds that names the true species, last checked 15 Sep 2026. Look for the scientific name Cephalanthus occidentalis on any listing.
Similar native plants
Native plants that share growing conditions or range with Common buttonbush.
- Common elderberry Sambucus nigra ssp. canadensis
- Blue vervain Verbena hastata
- Common ninebark Physocarpus opulifolius
- White turtlehead Chelone glabra
- Great blue lobelia Lobelia siphilitica
- Swamp sunflower Helianthus angustifolius
Also listed under
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