I have a client that has 20 year old Ash trees on his property. This is the first year that the canopy’s of all three have had less than normal foliage. All the leaves on all three trees have brown dry tips, but not really losing what is there. I did not see any issue with Emerald Ash Bore. Hopefully you can see by the picks that there is a large amount of mulch piled up against the trucks. There is some mower damage but I would say not enough to cause this issue. Could they be planted to deep? They are a hybrid Ash but life expectancy I see is at least 100 years. I did tell the client to remove some of the mulch around the tree base. Any suggestions on why the thin canopy and browning of the leaves would be appreciated.