White Fungus looking stuff on Rose of Sharon

Question

I’ve had a Rose of Sharon for years and this year it has developed some type of white fungus looking stuff all over the branches and leaves. What would that be and how can I get rid of it.

Answer 1

This is likely Powdery Mildew.

Here is an article with more information.

https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm