Common Oak Tree Diseases. Oak trees are susceptible to various diseases that can compromise their health. If you notice changes in the green foliage on an otherwise healthy tree, ...

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 ...

While galls do not typically kill an oak tree, a lot of galls can weaken a tree, causing it to be more susceptible to other insects or diseases. The love vine The story of the wasp and oak galls ...

Oak tree 'galls' are fairly harmless. Debbie Lester. ... Galls grow to surround the tiny insects that form them and provide them with protection from weather, predators and parasites.

Oak wilt is one of the deadliest tree diseases in the U.S., responsible for killing millions of trees across 76 counties in Texas, according to the forest service.

If you were to Google “oak diseases” you’d find about 33 million hits. But don’t panic. There are not 33 million diseases that are lurking around looking to kill your favorite oak tree.

If you are due to prune your oak trees, scheduling tree work for the winter months can make a huge difference in preventing oak wilt in your community, according to ReLeaf Michigan. Oak wilt is ...