I have a beautiful tree who has just started dieing. large lims have just droped there fruit and leaves. I was out of the USA for three years when I returned there was a golden rain tree growing right next to the trunk of the cherry tree. We had a very wet spring and I noticed lots of mushrooms all around the cherry tree also. I hated to cut down the golden rain tree because it is an endangered tree in Washington State I here. Iam wondering what might be causing the cherry to die.