I have 4 green ash trees; one is shedding leaves. Most of the leaves have...

Asked June 11, 2014, 8:46 PM EDT

I have 4 green ash trees; one is shedding leaves. Most of the leaves have spots as shown in the attached photo. When the leaves drop they turn bright yellow and the spots turn brown. Is this something that can be treated? If so, then with what? A fungicide? Insecticide? The leaf loss seems evenly distributed around the tree; topmost branches seem no harder hit th

Kent County Maryland trees and shrubs ash trees

1 Response

We assume that this photo goes with one of green ash in another email question from Kent County. The close up in the other email looks like anthracnose. Established trees do not need to be treated, http://extension.umd.edu/learn/shade-tree-anthracnose The photos of anthracnose in the above attachment are on sycamore, but gives management information for all anthracnose. vw