How to Prune great white rhododendron?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.
great white rhododendron · Pruning
great white rhododendron · Rhododendron decorum
Grow in moist but well-drained, leafy, humus-rich acid soil in part shade with shelter; see rhododendron cultivation
Watering: Keep acidic root zone evenly moist, never leaving waterlogged soilSunlight: Full sun · Partial shadeHarmful if eaten. Wear gloves and other protective equipment when handling