Timing tree trimming correctly is critical for long-term canopy vitality. In Western New York, dormant winter pruning (late November through February) provides the safest window for structural limb removal.
Protecting Oaks from Oak Wilt
Oak trees should never be pruned between April and July when nitidulid sap beetles are active and transmitting the Oak Wilt pathogen.
Managing Maple Sap Bleeding
Late winter dormant trimming allows pruning cuts to seal naturally before spring sap pressure surges.