While they don't need weekly care as your flower beds or vegetable patches might, they still need some tending. Specifically, you need to prune your oak tree from time to time, but you shouldn't pick ...
Fall is the best time to prune elms; elm bark beetles do not fly in autumn. Don’t prune oak trees in spring or summer when sap-feeding beetles actively spread oak wilt disease. Wait to prune ...
You don’t prune your oak trees in spring and early summer because if you open up fresh wounds on your oak trees in spring and early summer, those fresh wounds can attract oak bark beetles ...
The August loss of a beloved old tree—a giant red oak, Quercus rubra, near Tyler Annex on College Lane—prompted Michael Marcotrigiano, director of the botanic garden and professor of biological ...