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?…

Pruning Purpleleaf Sand Cherry Shrubs

I live in Niagara Falls (Zone 6b) and have recently planted a second purpleleaf sand cherry; the first one has been in the ground since 2015. The older shrub is in the back yard and receives full sun, while the…