Pest identification
What's eating my yellow azalea?
Vine weevil (Otiorhynchus sulcatus)
Signs: Notched leaf margins; root-feeding grubs cause wilting and plant death, especially in container-grown specimens
Control: Apply Steinernema kraussei nematodes August–October; use physical traps and check root zones at repotting
Rhododendron leafhopper (Graphocephala fennahi)
Signs: Leaf stippling; eggs laid into flower buds introduce bud blast fungus — buds blacken and fail to open
Control: Pick off and bin blasted buds in winter; spray pyrethrin in August to catch adults before egg-laying
Rhododendron lace bug (Stephanitis rhododendri)
Signs: Upper foliage mottled pale yellow; brown sticky deposits visible on leaf undersides
Control: Neem oil or insecticidal soap targeting undersides; avoid dry, hot, exposed positions where lace bugs thrive
Deer and rabbits
Signs: Browsed shoots and flower buds; rabbits strip bark from the base of young stems
Control: Rabbit spiral guards on young plants; deer repellent spray in autumn and winter; fencing where deer pressure is high
Keep yellow azalea pest-free
Healthy plants resist pests best. Get the basics right:
Yellow Azalea pests — FAQ
What is eating my yellow azalea?
Yellow Azalea (Rhododendron luteum) is attacked by vine weevil, rhododendron leafhopper spreading bud blast, and lace bugs that bleach foliage. As a deciduous azalea often in open garden settings, deer and rabbits also browse it. Vine weevil is the most damaging pest; bud blast can ruin the prized fragrant flower display.
How do I get rid of vine weevil (otiorhynchus sulcatus) on yellow azalea?
Notched leaf margins; root-feeding grubs cause wilting and plant death, especially in container-grown specimens Apply Steinernema kraussei nematodes August–October; use physical traps and check root zones at repotting
How do I get rid of rhododendron leafhopper (graphocephala fennahi) on yellow azalea?
Leaf stippling; eggs laid into flower buds introduce bud blast fungus — buds blacken and fail to open Pick off and bin blasted buds in winter; spray pyrethrin in August to catch adults before egg-laying
How do I get rid of rhododendron lace bug (stephanitis rhododendri) on yellow azalea?
Upper foliage mottled pale yellow; brown sticky deposits visible on leaf undersides Neem oil or insecticidal soap targeting undersides; avoid dry, hot, exposed positions where lace bugs thrive
How do I get rid of deer and rabbits on yellow azalea?
Browsed shoots and flower buds; rabbits strip bark from the base of young stems Rabbit spiral guards on young plants; deer repellent spray in autumn and winter; fencing where deer pressure is high