Fiore says all oak trees, especially red oaks, are susceptible to oak wilt. Oak wilt is often recognized by yellow and brown veins showing in the leaves of infected trees. “People often think of ...

Oak Wilt is a disease that impacts all species of Oak trees. It especially affects the Red Oak group, which includes Red, Pin and Black Oaks. It is caused by a non-native fungus called Bretziella ...

Oak wilt, which has been in Minnesota for 70 years ... He said wilt can spread much quicker in red oaks -- and when the trees are grouped closely together.