Gumpo White Azalea (Azalea × 'Gumpo White')

Gumpo White Azalea (Azalea × 'Gumpo White') is a dwarf, late-blooming evergreen hybrid shrub with small leaves and large, ruffled white flowers. Blooms appear from late spring into summer.

Grow in part sun and rich, acidic, well-drained soil. Cold winters may damage flower buds and reduce the following bloom display; foliage may also experience winter burn.

Growing details

• Plant type: Evergreen hybrid shrub
• Mature height: 1.5–2 feet
• Mature spread: 2–3 feet
• Spacing: Approximately 2 feet apart
• Hardiness: USDA zones 7–9
• Light: Part sun
• Soil: Rich, acidic and well-drained; listed pH range 5–6.5
• Flowers: Large, ruffled white blooms
• Bloom season: Late spring into summer
• Foliage: Small evergreen leaves

Care and garden use

Provide moderate watering and good drainage to help prevent root rot. Mulch helps keep roots from drying out. Keep away from the drip lines of trees in the walnut family. Test soil before adjusting pH. Excessively humid Southern conditions can increase problems with powdery mildew, twig blights, and rust. Monitor for other azalea pests and diseases.

Use as an accent or in grouped plantings, borders, woodland gardens, wildlife gardens, naturalized areas, foundation plantings, low hedges, or containers. Companion options include other azaleas, Japanese maple, and camellia where growing conditions suit each plant.

Image credit: Cliff from Arlington, Virginia, USA, Rhododendron White Gumpo, CC BY 2.0. Plants naturally vary in appearance and may differ from the images shown.