problem with lace maple
I have a lace maple in a container on which some of the leaves are drying and seem to be dying. The trunk is darkening on the affected areas but I don't see any signs of pests. I live in Seattle but am not sure of my zone. I would appreciate any help you can give me.
Certified GKH Gardening Expert
It sounds like sooty mold.
Here is a link with more information.