I have a 20-year-old pin oak tree that has small sections where leaves are turning brown. It's happening on different sections of the branches, not through the whole thing. Is that a sign that a ...

Q. We have a pin oak tree that is approximately 30 feet tall. On the north-facing side of the tree there are many wilted leaves, and there are many balls of strange growth. Pictures of the leaves and ...

Pin oak trees often appear to have poor leaf color and suffer from leaf chlorosis or yellowing. Depending on the severity of the problem, trees typically range from bright green to bright yellow. The ...

Q: Can you tell me what is growing on my tree leaves? And is this growth causing the leave discoloration I’m seeing? Is my tree in trouble? I’ll drop off a sample. A: The tree Mike described is a pin ...

This pin oak tree tested positive for bacterial leaf scorch and displays distinctive symptoms: brown leaf margins, a colorful band and green tissue along leaf veins. This pin oak tree tested positive ...

The oak leaf itch mite – Pyemotes herfsi, first identified just a decade ago – hangs around gall formations established on tree leaves by insects such as midges. The midges will lay eggs in the gall ...

The last big pin oak tree in Cheapside Park came down this week, and there is a dispute about what caused its demise. Tim Queary, the city's urban forester, said the tree had heart-rot disease and ...

On this edition of ID That Tree, meet a species of native Indiana oak from the broad red/black oak family, which is found in bottomlands and areas with imperfectly drained soil, the Pin Oak. This ...