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 ...

LITTLE ROCK, Ark. (June 30, 2015) – Leaf damage has been confirmed in clusters of white oak trees in north and central Arkansas areas due to Jumping Oak Gall, or small plant growths caused by tiny, ...

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 ...

Question: We noticed a difference in the oak trees. Which one greens up first with the glossy leaves and which one produces all the fluffy stuff? Answer: Most years there it is a matter of weeks ...

With so many inquiries from people concerned about a particular problem, it’s time to write about it: Coast live oaks in and around Napa with leaves dropping and looking diseased. The upper surface of ...

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 ...

Few average Joes can correctly identify every species of oak growing in North America. That’s the kind of Final Jeopardy-level knowledge typically reserved for foresters, wildlife biologists, and very ...