How to Propagate rhododendron 'Grumpy'?
Propagate by semi-ripe cuttings in late summer or layering in autumn
rhododendron 'Grumpy' · Propagation
rhododendron 'Grumpy' · Rhododendron 'Grumpy'
Grow in moist but well-drained, leafy humus-rich, acid soil in part shade with shelter from cold winds; see rhododendron cultivation
Watering: Keep acidic root zone evenly moist, never leaving waterlogged soilSunlight: Partial shadeHarmful if eaten. Wear gloves and other protective equipment when handling