Prunus cistena dying

I have 3 prunus cistena shrubs. They are all turning brown (leaves) and shrivelling up and falling off. Please see attached photo. Can you help?…

Apple tree disease ?

My apple tree (planted in summer 2020) was healthy until this year when it never really sprouted any leaves in spring despite being perfectly healthy last fall. I suspect there was some disease that afflicted it between last fall and…