About

This evergreen shrub up to 3m high, sometimes growing epiphytically in the wild, with bristly young shoots, and deeply-veined green leaves, up to 17cm long, with scales beneath. In mid to late spring it produces very aromatic funnel-shaped, creamy-white flowers, about 13cm long; some plants with prominent candy-red stripes down the flower length.

About the genus

Rhododendron can be evergreen or deciduous shrubs or trees, with simple leaves, sometimes with a dense colourful indumentum of hairs on the lower side, and funnel-shaped, bell-shaped or tubular flowers that may be solitary or in short racemes

Growing conditions

SunlightPartial shade
Soil typeClay, Loam, Sand
Soil pHAcid
Soil moistureMoist but well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH3

Plant details

Plant typeShrubs
HabitBushy
FoliageEvergreen
Height2.5-4 metres
Spread2.5-4 metres
Time to full height10-20 years
Suggested usesArchitectural, City and courtyard gardens, Cottage and informal garden
FragranceFlower
ToxicityHarmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs, cats, rabbits, tortoises) Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants

Care notes

CultivationGrow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter best for woodland gardens in the mildest counties only; see rhododendron cultivation
PruningPruning group 8
PropagationPropagate by seed when ripe, or semi-ripe cuttings in late summer, layering in autumn or grafting in late summer or late winter
Pest resistanceMay be susceptible to vine weevil, rhododendron and azalea whitefly, rhododendron leafhopper, pieris lacebug, scale insects, caterpillars and aphids
Disease resistanceMay be susceptible to various Rhododendron diseases including powdery mildews, rhododendron petal blight, rhododendron bud blast, silver leaf and honey fungus