Rhododendron calendulaceum
Flame azalea · also Rhododendron calendulaceum
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Rhododendron calendulaceum, known as the flame azalea, is a deciduous shrub native to the Appalachian Mountains. It grows in mixed deciduous forests, woodland slopes, and mountain balds, preferring dry and rocky conditions. Its bright yellow, orange, or red flowers attract various wildlife.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 780.07%15 yr9.0 in
Traits
- Foliage
- Deciduous
- Mature height
- 3.9–14.8 ft
- Sun
- Full sun, Part shade
- Soil
- Well-drained
- Water needs
- Low
- Drought tolerance
- Moderate
- Wildlife value
- High
Trunk diameters across every city: median 9.0 in, mean 9.0 in, 90th percentile 9.0 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Appalachian mixed mesophytic forests
- Appalachian Piedmont forests
- Appalachian-Blue Ridge forests
Other Rhododendron in the catalogue
20 of the top 2,000 species are in this genus.
