Q: I don't know what this is on my oak tree, but is it anything I should be concerned about (see reader's photo)? Should I spray with something? A: Unfortunately, I suspect your tree has hypoxylon ...

Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut branches.

Q: The leaves on my newly planted oak tree have numerous holes, and the edges of the leaf are missing. I do not see any insects, but I am worried about the tree. Most of the tree is like this. A: Oaks ...

ST. LOUIS — The next time you're outside in your neighborhood, look up. Among the branches of oak trees across Missouri, people are noticing more growths than before. They're called galls, and they're ...

During the period between April 15 and July 15, beetles actively carry spores of fungus from tree to tree, meaning oak trees are at high risk for infection with oak wilt. Oak trees with wounds in ...

Oak trees are a staple across the United States, offering shade, beauty, and supporting the ecology of many residential landscapes. As a homeowner, they'll also add value to your property if they're ...

MISSOURI (KSNF/KODE) — University of Missouri Extension’s Plant Diagnostic Clinic, in partnership with the Missouri Department of Conservation (MDC), is offering free testing for all common oak tree ...

Texas forest officials are trying to stop residents from pruning their trees in the new year to guard against a deadly tree disease known as oak wilt. Winter is typically the best time to trim trees, ...

This weekBackyard Farmer looks at oak tree problems and dividing perennials. This week, Backyard Farmer looks at oak tree problems and dividing perennials. The Backyard Farmer experts also answer the ...

Oaks are not just another tree. Entomologist, professor, and best-selling author, Doug Tallamy writes in his latest book, “The Nature of Oaks,” that “oaks support more life forms and more fascinating ...