Rhododendron prunifolium
Plumleaf Azalea
Ericaceae
ExpandHabitat
- native to parts of Georgia and Alabama
- naturally found along stream banks and in ravines
- hardy in warmer parts of zone 5
Habit and Form
- a deciduous shrub
- 8' to 12' tall
- upright habit with tiered branching
- multistemmed
Summer Foliage
- deciduous simple leaves
- elliptic to obovate shape
- alternate leaf arrangement held in whorls
- 1.25' to 5' long
- leaves have dark green color; glabrous surface
Autumn Foliage
- not particularly impressive
Flowers
- orange-red to red flowers
- funnel-shaped
- 1.5" to 2' across
- held in 4 to 7 flowered clusters
- bloom time is in July and August
- flowers partially hidden by foliage
- not fragrant
Fruit
- small dehiscent capsules
Bark
- not ornamentally important
Culture
- full sun to partial shade
- moist, cool, well-drained acidic soils high in organic matter
Landscape Use
- for late season flower color
- for high quality azalea foliage
- for naturalistic areas
- in groupings
- shrub borders
- foundation plant in the right site
Liabilities
- need specific soils and site for success
- late blooms partial obscured by foliage
ID Features
- alternate leaf arrangement with leaves appearing whorled toward the tips
- orange red flowers in July and August
- glabrous foliage
Propagation
- by cuttings
- by seed
Cultivars/Varieties
Numerous cultivars have been selected for variation in flower color, ranging from scarlet red to pink-orange. While none of these cultivars is particularly prevalent in the trade, they can occasionally be found in catalogs that cater to native plants.
'Apricot Glow' - This plant bears orange flowers in midsummer on an upright-growing plant with rounded foliage.
'Cherry Bomb' - Orange-red blooms adorn this plant.
'Coral Glow' - A form with pink-orange blooms, this cultivar blooms in midsummer.
'Peach Glow' - This selection is special due to its orange-pink flowers which appear in summer.
'Lewis Short' and 'Pine Prunifolium' - These plants display red blooms in summer.

