Rhododendron 'Wilgen's Ruby' · Pests & diseases

Grow in light dappled shade, in a site sheltered from cold, dry winds and late frosts, in moist but well-drained, humus-rich, acidic soil, preferably between pH4.5 and pH5.5; will also tolerate sun and dry soil; for more advice, 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

Common Pests & Diseases

Diseases

May be susceptible to powdery mildews, bud blast, honey fungus, rust, leafy gall, petal blight, silver leaf, Phytophthora root and shoot rots, and, if soil is not sufficiently acidic, lime-induced chlorosis; for more advice, see Rhododendron diseases

Pests

May be susceptible to vine weevil, rhododendron whiteflies, rhododendron leafhopper, lacebugs, scale insects, caterpillars, and aphids

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