is it ok to cut back young trees in september they are cherry blossom trees
The flower buds for next year have already formed so pruning now will have no affect on bloom next year. If you are going to prune you should hurry, late season pruning does reduce winter hardiness so a lot depends on how far winter is for you and how cold the winter gets. Our recommendation in Michigan is that they can prune cherries through August. I would think if you got it done in September you would not see an effect unless you had a really cold winter.