Aug 13, Late fall/winter pruning is especially important for oak trees to help prevent spread of the fungus that causes oak wilt (see University of Wisconsin Garden Facts XHT). Late spring and summer are usually not good times of year to prune because disease pathogens are present and wound closure is slower. Apr 03, To protect oak trees and help prevent oak wilt, the Wisconsin Department of Natural Resources advises people to avoid pruning oaks on their property from April through July.
Spring and early summer pruning makes oak trees vulnerable to oak wilt, a fatal fungal disease that rapidly kills trees in the red oak group and weakens those in the white oak group. Dec 14, Wintertime is a good time for tree pruning, when temperatures are cold, according to Wisconsin Department of Natural Resources tree health experts. An oak tree dying from oak wilt (middle) and an oak killed by the disease (right). Photo: WDNR Prune trees in winterEstimated Reading Time: 3 mins.
Getting a tree removed in Madison can be costly without the right information. We get you matched with the right local tree care pro for all tree removal, trimming and stump services near you. Mar 30, In general, the best time to prune is in winter when trees are dormant. To date, oak wilt has been found in all Wisconsin counties except Ashland, Iron, Taylor, Door, Kewaunee, Calumet and Manitowoc counties. Several of these counties contain the highest abundance of healthy and productive oak forests in the state.
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