The unusual spring weather is causing all kinds of plant problems. One that has recently been brought to the attention of gardeners is azalea leaf gall. This plant disease is caused by an infection of ...

Understanding the Context

Q: I am a landscape professional, and I’ve seen an influx of camellia leaf gall and more azalea leaf gall starting to show up. It is appearing on multiple properties that I maintain from Stone ... Post and Courier: Horticulture Hotline: Control leaf gall by manually pulling leaves Have you noticed an azalea or a camellia whose leaves are two to three times the normal size and are thick and fleshy? They have leaf gall.

Key Insights

Leaf gall is a very common disease that affects camellias ... Detroit News: Unusual growths on oak leaves are harmless galls caused by insects Galls are structures made up of plant tissue, forming in response to the saliva of mites or small insects as they feed. The number and variety of galls found on trees in our landscapes are closely ... Not everyone seems to get as excited about galls as I do. A gall is an abnormal growth on a plant.

Final Thoughts

Galls can occur anywhere– leaves, stems or roots and are usually caused by insects, fungi, or ...