Quick answer: Smooth azalea (Rhododendron arborescens) is native to 4 states. What's commonly sold under this name is often a bred variety or the wrong species — see the lookalike alert below. No live listing of the true species was found as of 16 Sep 2026.
Photo: Cassidyrg, Wikimedia Commons (CC-BY-SA-4.0)
Where it's native
Listed in the register 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 |
|---|---|
| Water | Medium |
| Soil | Moist, well-drained, acidic |
| Bloom | Jun-Jul |
| Height | 8-12 ft (to 20 ft) |
| Wildlife value | Special value to bumble bees |
All plant parts highly toxic and potentially fatal if ingested; symptoms: salivation, abdominal pain, nausea, vomiting, weakness, progressive paralysis
none noted; drought-sensitive, one of the hardiest native white azaleas and fastest-growing
Lookalike alert
⚠ No fix found 16 Sep 2026 — no genuine Amazon.com listing found; searches return only "Encore Azalea" cultivars, unconfirmed/different species.
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.
Also listed under
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