Help prevent the spread of oak wilt; don’t move firewood
Now that the season has shifted to August – well past the “no pruning of oak” time of year (April 15 to July 15) – there still are steps residents can take to minimize the spread of the deadly oak wilt disease.
Notably, Michigan Department of Natural Resources forest health experts say not moving firewood is critical to limiting oak wilt. Wood from oak wilt-killed trees can produce spores, which can infect healthy oaks if they’re wounded in spring the following year.
According to Bob Heyd, DNR forest health specialist, oak wilt is a serious disease of oak trees. It mainly affects red oaks, including northern red oak, black oak and pin oak. Red oaks often die within a few weeks after becoming infected. Because white oaks are more resistant, the disease progresses more slowly.
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