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 ...

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 ...

Editor’s note: Throughout the growing season, Mike Hogan, OSU Extension educator for Agriculture and Natural Resources in Franklin County, will answer gardening and home landscape questions submitted ...

One of the easiest ways to tell a red oak from a white oak is by looking at the leaves. Red oak leaves have pointed lobes and white oak leaves have rounded ones. (Adobe Stock / Field & Stream) Leaves ...

Purdue Landscape Report: Each spring the PPDL receives several samples of oak trees showing curled, twisted, stunted and/or generally ratty looking leaves. When there are holes in the leaves or leaf ...

Oak trees are valuable to the Northwoods environment, recreation and wood products industries, but many are in danger.