“Prevention is key to stopping the spread of oak wilt. Any new wound on an oak tree can be an entry point for infection ...

One key characteristic of pin oak are the branches, which angle downward especially on the lower part of the tree. The pin oak tends to keep ... which can be a potential disease problem along with oak ...

Iowa’s red, black, and pin oak ... the disease. You can continue to prune oaks all winter long, but should stop by the end of ...