Bark – young bark is smooth, older bark has flat topped ridges with shallow fissures; inner bark is light red. The northern red oak (Quercus rubra) is a medium sized tree that grows up to 90 feet, is ...

One of the worst culprits of fall yard mess? The red oak. Also called the northern red oak, it's a beautiful tree with idyllically shaped leaves that turns a vivacious red during the fall.