Quick answer: Smooth oxeye (Heliopsis helianthoides) is native to 30 states. What's commonly sold under this name is the true wild species. It's typically seed, verified 15 Sep 2026.
Photo: Alvesgaspar, Wikimedia Commons (CC BY-SA 3.0)
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, Part Shade |
|---|---|
| Water | Low water, Dry |
| Soil | Sandy soils |
| Bloom | Bloom Jun-Sep |
| Height | 3-5 ft tall |
| Wildlife value | Attracts hummingbirds, supports conservation biological control |
Buying it
Sold true to the wild species as of the last check (15 Sep 2026), via Amazon.
Sold as: Seed via Amazon · listing verified 15 Sep 2026
See where to buy →Quick answers about Smooth oxeye
Where is Smooth oxeye native?
Smooth oxeye (Heliopsis helianthoides) is native to 30 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 Smooth oxeye bloom?
Smooth oxeye blooms Jun-Sep. Exact timing shifts a few weeks with latitude and elevation.
What growing conditions does Smooth oxeye need?
Light: Sun, Part Shade. Water: Low water, Dry. Soil: Sandy soils. Mature height: 3-5 ft tall.
Is Smooth oxeye good for pollinators and wildlife?
Yes. Wildlife value: Attracts hummingbirds, supports conservation biological control.
Is Smooth oxeye deer-resistant or drought-tolerant?
Smooth oxeye is drought-tolerant.
Where can I buy real Smooth oxeye seed or plants?
We found a listing sold as seed that names the true species, last checked 15 Sep 2026. Look for the scientific name Heliopsis helianthoides on any listing.
Similar native plants
Native plants that share growing conditions or range with Smooth oxeye.
- Common evening primrose Oenothera biennis
- Coralberry Symphoricarpos orbiculatus
- Fragrant sumac Rhus aromatica
- Partridge pea Chamaecrista fasciculata
- Climbing prairie rose Rosa setigera
- Smooth Solomon's seal Polygonatum biflorum
Also listed under
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