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smooth azalea | Plant Finder | Fill My Garden

Home/Plants/Shrubs

Plants > Shrubs

smooth azalea

Rhododendron arborescens (A)

★ RHS AGMFragrant

Genus: Rhododendron
Family: Ericaceae
Common Names: sweet azalea, tree azalea

About this plant

R. arborescens is a large, upright deciduous shrub with glossy mid-green leaves turning reddish-green in autumn. Strongly-scented, funnel-shaped white, pink-flushed flowers with red stamens are borne in early summer

Growing Information

Height

2.5-4 Metres

Spread

2.5-4 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoamSandy

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly Drained

Aspect

North FacingEast FacingWest FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Suitable for an open site but best grown in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation

Pruning

Pruning group 1

Propagation

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

Pests

May be attacked by vine weevil, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids

Diseases

May be affected by various Rhododendron diseases including powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus

Garden Uses

Uses

Flower BordersGround Cover

Planting Places

Borders

Season of Interest

AutumnSpringSummer

Size & Characteristics

Height

2.5-4 Metres

Spread

2.5-4 Metres

Habit

Bushy

Time to Full Height

Twenty To Fifty Years