Flame Azalea
Rhododendron calendulaceum
Last reviewed: June 2026
Flame Azalea is toxic to dogs and cats.
Listed as toxic by the ASPCA Animal Poison Control Center (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.
Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.
Light
part shade
Water
medium
Size
60"–120" H × 60"–120" W
Bloom
May, Jun
Native to
AL, GA, KY, MD and 8 more states
Pollinators
bees, hummingbirds
Flame azalea is a striking native deciduous shrub that produces brilliant orange to red tubular flowers in late spring. It grows into a large, rounded shrub that provides excellent seasonal interest with its showy blooms and fall foliage color. This woodland native prefers partial shade and consistent moisture.
In an HOA neighborhood
Flame Azalea is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Large mature size requires adequate space planning
Wildlife value
Host plant for azalea sphinx moth.
The tubular flowers are particularly attractive to hummingbirds and native bees during the late spring bloom period. As a native rhododendron, it supports specialized pollinators that have co-evolved with these plants.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Pollinator Patch flags toxic plants like Flame Azalea and shows pet-safe natives for your ecoregion instead.