University of Maryland Extension

Azalea Caterpillar

IPM Series: Azaleas and Rhododendrons (HG51)

Symptoms Possible Causes Notes Leaf Yellowing Older Leaf Drop Towards interior of plant High Soil pH Nutrient Deficiency Iron or magnesium chlorosis Azalea Bark Scale Leaves may also have sooty mold (black coating) Azalea Leaf Rust Brightly colored, yellow-orange spots Leaf Stippling Lace Bugs...
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