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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Small bumps on oak leaves are jumping oak galls, which are caused by a very tiny, native, stingless wasp that lays eggs in leaf ...

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 ...

While walking around our property this week, I came across two interesting things going on with our pin oak trees. The first thing that caught my eye was what looked like a white grape growing from an ...

The estimated trillions of periodical brood cicadas that emerged in multiple U.S. states this year may be gone for the foreseeable future, but some people are feeling the painful, itchy remnants of a ...