Quick answer: Flame azalea (Rhododendron calendulaceum) is native to 12 states. What's commonly sold under this name is the true wild species. It's typically seeds, verified 16 Sep 2026.
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 | Sun, Part Shade |
|---|---|
| Water | Medium (tolerates dry) |
| Soil | Well-drained, acidic, high organic matter |
| Bloom | May-Jun |
| Height | 6-12 ft (occasionally tree-like to 30 ft) |
| Wildlife value | Attracts birds; special value to bumble bees |
All plant parts highly toxic if ingested; symptoms: salivation, watering eyes/nose, abdominal pain, nausea, vomiting, diarrhea, weakness, difficult breathing, progressive paralysis, possible coma; honey from flowers may also be toxic
Buying it
Sold true to the wild species as of the last check (16 Sep 2026), via Amazon.
Sold as: Seeds via Amazon · listing verified 16 Sep 2026
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