Hoary Azalea
Rhododendron canescens
Last reviewed: June 2026
Hoary 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 sun
Water
medium
Size
36"–120" H × 36"–96" W
Bloom
Mar, Apr, May
Native to
SC
Pollinators
bees, butterflies, hummingbirds
Browse plants for this ecoregion
Hoary azalea is a native deciduous shrub that produces clusters of fragrant pink or white flowers in spring before the leaves emerge. It naturally grows in woodland edges and can reach 6-10 feet tall and wide at maturity. This azalea prefers partial sun and consistent moisture, making it well-suited for naturalized areas.
In an HOA neighborhood
Hoary Azalea is an HOA-friendly choice. Maintenance level: moderate. Tidiness: 3 out of 5.
Works well in: foundation, mid zone, backyard only.
- Can look sparse in winter without leaves
- May grow larger than expected suburban scale
Wildlife value
Host plant for azalea sphinx moth, blinded sphinx moth.
The early spring blooms provide crucial nectar for bees, butterflies, and hummingbirds when few other flowers are available. The shrub also offers nesting sites and shelter for birds.
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 Hoary Azalea and shows pet-safe natives for your ecoregion instead.