Will Dormant Spray Prevent Powdery Mildew on Ninebark?

Hello – I have a lovely purple ninebark (could be diablo) and the last couple of years it’s suffered badly from powdery mildew which I didn’t detect until it was well advanced. I wondered whether (a) applying dormant spray now…

Viburnum Half Dead?*

Hi there, I have a mature viburnum that flowered beautifully this spring and half of it is suddenly dead i think even though when I snap the twigs, they are still green inside. One half has berries forming, and the…