2025 05 May NWACA Newsletter2025 04 April NWACA Newsletter2025 03 March NWACA Newsletter2025 02 February NWACA Newsletter2025 01 January NWACA Newsletter2024 12 December NWACA Newsletter2024 11 November NWACA Newsletter2024 10 October NWACA Newsletter2024 09 September NWACA Newsletter2024 08 August NWACA Newsletter2024 07 July NWACA Newsletter2024 06 June NWACA Newsletter2024 05 May NWACA Newsletter2024 04 April NWACA Newsletter2024 03 March NWACA Newsletter2024 02 February NWACA Newsletter2024 01 January NWACA Newsletter2023 12 December NWACA Newsletter2023 11 November NWACA Newsletter2023 10 October NWACA Newsletter
Until July, sap beetles are attracted to fresh tree wounds and can transmit the oak wilt fungus to a healthy oak tree during pruning. The heat of July-August is believed to suppress the beetles and reduce the risk of infection. Note that all trees are under the normal stress of summer, depending on soil moisture, and some are still in their growing season then. So if you haven’t completed pruning of oaks by now, it’s best to wait until fall.