Rhododendron oreodoxa · Shrub
Powdery mildew: Improve air circulation and apply a suitable fungicide if infection is severe.
Bud blast: Plant in sheltered sites away from frost pockets and avoid early morning sun exposure.
Lime-induced chlorosis: Ensure soil pH is below 6.0 using ericaceous compost and avoid adding lime or alkaline water.
Root rot: Plant in well-drained soil and ensure adequate drainage to prevent waterlogging.
Slugs and snails: Use physical barriers, hand-pick at night, or apply approved slug pellets sparingly.