By Kathdonny
United Kingdom 
why have the leaves on my acer gone white and powdery
28 Aug, 2016
By Kathdonny
United Kingdom
why have the leaves on my acer gone white and powdery
28 Aug, 2016
Hi Kath. It's probably Powdery Mildew. Do an internet search to confirm, and to find suitable remedies. Although it looks awful, it doesn't do any lasting damage.
28 Aug, 2016