While you can prune many kinds of trees in spring and early summer, don’t prune oak trees now. The New York State Department of Environmental Conservation (DEC) recommends holding off on pruning oak trees until winter to protect them from oak wilt, a deadly tree disease. Oak wilt can kill trees in as little as four to six weeks and is one of the most destructive tree diseases. The video, ‘Winter Pruning For Oak Wilt Prevention’ (two minutes long) highlights why…
