How to Fertilize rhododendron 'Merganser'?
Ericaceous fertilizer monthly from spring through late summer
rhododendron 'Merganser' · Fertilizing
rhododendron 'Merganser' · Rhododendron 'Merganser'
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: Partial shadeHarmful if eaten. Wear gloves and other protective equipment when handling