king rhododendron

Also known as: Information to be completed

R. rex is a very large, evergreen shrub or small tree, with dark green leaves, 25-45cm long, felted beneath with pale brown indumentum. Rounded trusses of 12 to 15 bell-shaped flowers, each flower 4-5cm long, pale pink and white with a deep red throat and spots, appear in mid and late spring

Scientific classification

Species: king rhododendron (Rhododendron rex)
Genus: Rhododendron
Family: Ericaceae

Harmful if eaten. Wear gloves and other protective equipment when handling
Toxicity: Shrubs · Trees
Plant type: 8-12 metres
Height: wider than 8 metres
Spread: Evergreen
Foliage: Bushy
Habit: Spring · Summer · Autumn · Winter
Season of interest: Partial shade
Sunlight: Information to be completed
Ideal temperature

king rhododendron pictures

Distribution of king rhododendron

Distribution map

Western China, Myanmar

Information to be completed

Culture

Information to be completed

Toxicity

Harmful if eaten. Wear gloves and other protective equipment when handling

Quick identification of king rhododendron

Information to be completed

king rhododendron care guide

Acidic soil kept evenly moist, never let root ball fully dry completely
Watering: Partial shade
Sunlight: Information to be completed
Ideal temperature

Watering

Acidic soil kept evenly moist, never let root ball fully dry completely

Fertilizing

Diluted ericaceous feed monthly spring through late summer period

Pruning

Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.

Propagation

Propagate by seed when ripe, or semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter

Growing

Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation

More growing and care information →

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