great white rhododendron
Also known as: Information to be completed
R. decorum is a large evergreen shrub or small tree, to 6m tall, with oblong leaves to 15cm long, pale beneath, and trusses of large, strongly-fragrant, funnel-shaped white or pink-tinged flowers, greenish-yellow in the throat, in late spring and early summer
Scientific classification
- Species
- great white rhododendron (Rhododendron decorum)
- Genus
- Rhododendron
- Family
- Ericaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Shrubs · Trees
- Plant type
- 4-8 metres
- Height
- 1.5-2.5 metres
- Spread
- Evergreen
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
great white rhododendron pictures
Distribution of great white rhododendron
Distribution map
China, Vietnam, Myanmar, Laos
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Culture
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Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of great white rhododendron
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great white rhododendron care guide
- Keep acidic root zone evenly moist, never leaving waterlogged soil
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Keep acidic root zone evenly moist, never leaving waterlogged soil
Fertilizing
FertilizingEricaceous fertilizer monthly from spring through late summer
Pruning
PruningUsually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.
Propagation
PropagationPropagate by seed when ripe, or semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter
Growing
GrowingGrow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation
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Common pests and diseases
Diseases
May be susceptible to various Rhododendron diseases including powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus
Pests
May be susceptible to vine weevil, rhododendron and azalea whitefly, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids
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