My weeping silver birch tree has lost all its leaves at the top ,can I do anything to help it.i must add that it is about 46 years old .
My Weeping Silver Birch Tree
Certified GKH Gardening Expert
Your tree may be infested with the bronze birch borer or another birch borer insect. These are the most likely cause in North America. In Europe, several fungi can cause these symptoms. Here is more information: