Leaf-mining Stilbosis quadricustatella larvae are distributed non-randomly within leaves of their host plants, sand live oak (Quercus geminata) and water oak (Q. nigra), in north Florida. Fewer mines ...

While, to many, fall is as good a season as any other, it can be the worst for those who are prone to oak leaf itch mites. These are commonly known to feed on larvae of an oak gall midge (fly) that ...

The late spring frost could have started the problem which later spread with a disease of Oak Anthracnose (Gnomonia species), which causes the leaf curl. M. Grabowski, University of Minnesota Q: My ...

Q: The drought has caused our very large oak trees to shed a ton of leaves, how should we handle this? Rake them up or just shred with the mower? There's very little grass under the oaks as it is, ...

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 ...

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 ...

Live Oak Trees, like all oak trees grow from seeds, in this case, an acorn. All oak trees also produce catkins which hang down from the oak branches in the spring, pollinate the very small oak flowers ...

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 ...

SPRINGFIELD, Mo. (KY3) - In a collaborative effort with the Missouri Department of Conservation (MDC) Forest Health Program, the MU Plant Diagnostic Clinic announced it will provide free testing ...