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When Leaves Yellow, Your Plant Could Have a Fever

Yellow azalea leaves.
Dendroica cerulea
/
Flickr

Yellow leaves and leaf drops are a rather ambiguous symptom in plants. A range of problems and normal cycles cause it. 

Dan is an Associate Professor in Consumer Horticulture with the LSU AgCenter. He is the spokesperson for the LSU AgCenter’s "Get It Growing project," an effort encouraging home horticulture throughout Louisiana. Dan is also author of "Month-by-Month Gardening in Louisiana" and co-author of the "Louisiana Gardener’s Guide."