Ficus tree

Question

Tree is dropping green healthy leaves, they are developing a white border on the edges. It looks like bright white paint . Also some have a bright white splotch on the leaves. You can remove that
, just lift it off. The tree is 33 years old. Out in the summer inside before frost.

Answer 1

This sounds like an powdery mildew issue. You can correct this using neem oil spray. Here is an article for more information on the care of the ficus tree: https://www.gardeningknowhow.com/houseplants/ficus/ficus-tree-care.htm