About
A floriferous evergreen azalea, growing to 60-120cm, with a dense, low dome of small, glossy leaves. Masses of small, funnel-shaped flowers smother the plant in late spring. 'Robin Hill Congo' brings charm to shade.
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
Plant details
Suggested usesRock gardens, containers, Japanese-style gardens
Care notes
CultivationMoist acidic, humus-rich soil in light shade. Shelter from cold wind
PruningDeadhead after flowering. Trim lightly for shape
PropagationSemi-ripe cuttings in midsummer or layering
Pest resistanceGenerally trouble-free. Watch for vine weevil
Disease resistanceAzalea gall and petal blight in damp conditions