Oak Wilt Pruning Those of you who have heard the adage “February through June DO NOT PRUNE” probably know that it is in reference to the spread of Oak Wilt. We avoid pruning Oak Wilt susceptible trees like Live Oak and Red Oak during the time that the Nitidulid Beetle is active. This beetle has been identified as a vector of the Oak Wilt Fungus. It feeds on the sweet, sticky fungus that forms under the bark of infected Red Oaks in the spring, and can transmit that fungus to [...]