University of Missouri Extension has a free program to identify oak tree diseases affecting trees across Missouri. See how to ...

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.

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 ...

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 ...