College of Agriculture, Health and Natural Resources

Plant Database

Rhododendron prunifolium

Plumleaf Azalea

Ericaceae

Plumleaf AzaleaPlumleaf Azalea
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Habitat

  • 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.

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

Citation and Acknowledgements: University of Connecticut Plant Database, https://plantdatabase.uconn.edu/, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.