Pruning in late winter, just before spring growth starts, leaves fresh wounds exposed.

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. Dec 14, 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 on the sap of tree wounds.

But these beetles are not active in winter. Without leaves on trees, it’s also much easier to spot and prune broken, cracked, hanging, or Estimated Reading Time: 3 mins. Mar 30, By Don Kissinger, urban forester,[email protected] or Paul Cigan, plant pest and disease specialist,[email protected] 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.

Apr 06, Pruning and cutting oaks in spring and early summer leaves them vulnerable to oak wilt, which is widespread in southern Wisconsin. It rapidly kills trees. Apr 06, MADISON, Wis. – April brings a high risk for the often-fatal oak wilt disease across the state, and as a result, the Wisconsin Department of Natural Resources (DNR) recommends not pruning or cutting oak trees from April through July. What you can’t see can kill a tree. 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.

Before new growth in spring ONLY! Prune to desired size and shape Usually removing about ⅓ of the overall size: All Tree Form Hydrangea Paniculata Types: Trim the head back to about 2′ before it starts to grow in early spring: Hypericum: Early spring: Ilex: Renewal prune late winter/early spring.

Timing & Frequency. Pruning is scheduled for late winter while trees are still dormant to avoid winter injury from exposed pruning cuts. We sterilize our tools before working and between each tree to prevent the spread of disease. Pruning of pruning oak trees in wisconsin and ornamental fruit trees. Aug 13, When pruning large branches, use the 3-point method of pruning (refer to University of Wisconsin Garden Facts XHT).

Pines: New growth in pines occurs once a year from terminal buds. To maintain a more compact, densely branched habit, remove approximately 1∕2 to 2∕3 of the elongated terminal buds (candles) before the needles expand in. Local Tree Pruning in Oak Creek, WI. Compare expert Tree Pruning, read reviews, and find contact information - THE REAL YELLOW PAGES.