Each week, the Intro to Trees of Indiana web series will offer a sneak peek at one species ... including a sharp bristle tip on the terminal lobe. On the northern red oak, the alternately held leaves ...

Leaves – deciduous, alternate, 5-8″ inches long ... The average annual temperatures for its location range from 40 to 60ºF. Northern red oak trees grow best in moist, well drained upland sites such as ...

Oak wilt is caused by the fungus Bretziella fagacearum and it will kill oak trees, especially trees in the red oak family, including black oak, northern ... trees’ green leaves turn yellow ...