Posted: 11/08/2014 at 19:09
Well,,domt really know how to answer this.
Not good to cut that off rootball.....prob fatal
Rooting powder is not for trees and shrubs. It's for cuttimgs
I would take cuttings from your dogwood now and pop them Imto pots of compost.
Often dogwoods layer themselves....check to see if you can see part of yours with roots apart from the main rootstock. If so plant or pot up
Forget the feeding for now. Just water and water well.