About

A slow-growing, sparsely-branched large shrub eventually reaching up to 8m tall. Its evergreen, oblong to elliptic leaves up to 16cm long are dark green above and covered with a fine, tawny felt beneath. Ball-shaped trusses to 20cm in diameter of 15-30 bell-shaped, soft yellow flowers sometimes stained with pink are borne in spring.

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
AspectNorth-facing, West-facing, East-facing
ExposureSheltered
UK hardinessH5

Plant details

Plant typeShrubs
HabitBushy
FoliageEvergreen
Height4-8 metres
Spread4-8 metres
Time to full height10-20 years
Suggested usesCottage and informal garden
Native toSW China
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 from cold winds; see rhododendron cultivation
PruningPruning group 8
PropagationPropagate by seed, by grafting or by semi-ripe cuttings in late summer
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