oak tree

Question

my friend can’t understand why the leaves on her oak tree are turning grey? I have read about a disease affecting oaks?

Answer 1

There are a few different things that this could be depending on exactly how it looks. These articles will help: https://www.gardeningknowhow.com/ornamental/trees/tgen/bacterial-leaf-scorch-disease.htm

https://www.gardeningknowhow.com/ornamental/trees/oak/xylella-oak-leaf-scorch.htm

https://www.gardeningknowhow.com/ornamental/trees/oak/sudden-oak-tree-death.htm