Rhododendron hippophaeoides · Shrub
Vine weevil: Apply a systemic insecticide drench or use nematodes to control larvae in the growing medium.
Rhododendron bud blast: Remove and destroy infected buds promptly; improve air circulation and avoid overhead watering.
Powdery mildew: Tolerate mild infections; apply a fungicide if severe, ensuring good air circulation around the plant.
Lime-induced chlorosis: Plant in ericaceous compost or raised beds with lime-free soil; apply chelated iron if necessary.
Rhododendron whitefly: Use yellow sticky traps to monitor adults and apply appropriate insecticidal sprays if populations are high.