If you’ve noticed unusual bumps that look like tiny “horns” or brown spots on the leaves of your oak tree this winter, you’re ...

Add Yahoo as a preferred source to see more of our stories on Google. Large oak tree in front of nice neighborhood Oak trees have been around for more than 50 million years, with individual trees ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images There’s a reason it’s called the Mighty Oak: Oak trees are stately trees that can live for hundreds (yes, hundreds!) ...

Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on the ...

Gardening season is underway, and you may have questions. To ask one, simply go to the OSU Extension website, type it in and include the county where you live. A photo is very helpful. Q: Our oak tree ...

The leaves are down, winter is upon us, and that means it’s prime time for pruning oak trees, which can be infected by the oak wilt fungus if they’re pruned during the high-risk period mid-March ...

These large, long-lived trees support more life-forms than any other trees in North America. And they’re magnificent. By Margaret Roach When I arrived years ago at the piece of land I now garden, I ...