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If possible avoid pruning or wounding of oaks during the spring (currently defined as February1 through June 30). Reasons to prune in the spring include: To accommodate public safety concerns such as hazardous limbs, traffic visibility or emergency utility line clearance.

To repair damaged limbs (from storms or other anomalies)File Size: 60KB. Apr 07, Homeowners can reduce the risk of oak wilt infections by not pruning or otherwise injuring oaks after April While high risk of infection decreases to lower risk after mid-July, it’s prudent to simply avoid pruning oak trees from just prior to bud break to leaf drop. This means April to bushdig.barted Reading Time: 3 mins.

Apr 30, Smart gardeners should not prune oak trees past April 1 to ensure their trees don’t succumb to oak wilt disease. Avoid pruning until November. Oak trees comprise a significant portion of Michigan forests and are grand, valuable members of our urban landscapes, providing shade and wildlife habitat and bushdig.barted Reading Time: 4 mins. Apr 08, To help prevent oak wilt, forest health specialists in Minnesota are asking homeowners and landowners to avoid pruning or wounding remove oak tree stains concrete trees in the spring.

High risk months in Minnesota are typically April, May and June. Spring weather promotes the activity of sap-feeding beetles that can transmit the fungus that causes oak wilt disease. Anytime between November 1 and March 31 is the best time to trim your oak trees. They are less vulnerable during this time to infestations or diseases that could rot them. Rot in particular can ravage even the largest of trees, leaving them feeble, damaged, and at risk of potentially falling.

Mar 30, Anyone with oak trees in their yards or on forested lands should avoid pruning or cutting them from April through July to protect them from oak wilt. Sap-feeding beetle on diseased oak tree in. May 11, As we’ve mentioned, the best way to prevent the spread of Oak Wilt is to avoid pruning your Oak trees from February through June when Oak Wilt season is at its peak. Protection of high-value trees by fungicide injection is also an option as a preventative measure.

Dec 14, However, if you are going to prune oak trees, it’s important to do it in winter to prevent introduction of oak wilt” says Paul Cigan, a WDNR forest health specialist.

The best period to prune oaks is between the months of October and March. In spring, stop pruning when daytime temperatures reach 50 degrees. This is because oak wilt - a fatal disease of oaks - is spread by beetles that feed Estimated Reading Time: 3 mins.