Plant types and subtypes: Root Catalog, Trees & Shrubs, Shrubs, Deciduous
Light Requirements: part-sun, part-shade
Water Use: low, medium
Soil Moisture: dry, moist
Soil Description: acid, rich, average, loam, sand
Bloom Time: March, April
Bloom Color: yellow, orange
Leaf Color: green
Hardiness Zone: 7, 8, 9
Additional Tags: attracts bees, attracts butterflies, attracts hummingbirds, fragrant flowers, naturalizing, poisonous, shade garden plant
Pricing & Availability
Rhododendron austrinumAlso known as:
Florida flame azalea,
southern yellow azalea
Rhododendron austrinum is one of the most attractive, and easiest to grow, of the native azaleas. This deciduous shrub can grow to a height of 10', with a spread of up to 6'. It flowers in early to mid-spring just before, or just as, the leaves begin to develop. The blooms are made up of terminal clusters of 8 to 15, pleasantly fragrant, yellow to orange, 3/4" tubular flowers with long, protruding stamens. These give way to 1" long woody seed capsules.
Rhododendron austrinum is easy to grow, in acidic, humus rich, well drained soil. It does not tolerate poorly drained soil: consistently "wet feet" will invariably lead to root rot. It thrives in sandy environments, with a layer of mulch to help preserve moisture and a high level of acidity, and will endure short dry spells once established. It is best not to cultivate too close to the shrub, as doing so could easily damage the plant's shallow root system. Under certain circumstances, this azalea may slowly naturalize via root suckers. Filtered light is best. Zones 7-9
Can be propagated from seed, without pretreatment. This should be done in a light, moist medium, under cool temperatures, in the 40's or 50's. It may also be propagated from cuttings, or by separating and transplanting suckers.
Orange azalea is native a limited range in the southeastern US, and is even listed as endangered in Florida. However, its inherent beauty and ease of cultivation, have made very popular among breeders who have used it to create many different hybrids and cultivars.
Native Range & Classification
Recorded County Distribution: USDA data
AL, FL, GA, MS
USDA Endangered Status:
- Endangered: FL
|Species||Rhododendron austrinum||orange azalea|