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swamp azalea | Plant Finder | Fill My Garden

Home/Plants/Shrubs

Plants > Shrubs

swamp azalea

Rhododendron viscosum (Vs)

★ RHS AGMFragrant

Genus: Rhododendron
Family: Ericaceae
Common Names: swamp honeysuckle, white swamp honeysuckle

About this plant

R. viscosum is a bushy deciduous shrub to 2.5m tall, with dark leaves glaucous beneath. Very fragrant, narrowly funnel-shaped white flowers, up to 4cm wide, flushed deep pink on the tube, open in early to mid summer

Growing Information

Height

1.5-2.5 Metres

Spread

1.5-2.5 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

West FacingSouth FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; sun tolerant if soil remains reliably moist; 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

Cottage InformalGround Cover

Planting Places

Outdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

1.5-2.5 Metres

Spread

1.5-2.5 Metres

Habit

Bushy

Time to Full Height

Twenty To Fifty Years