To keep oak trees healthy, delay pruning until mid-July

  • To keep oak trees healthy, delay pruning until mid-July
    To keep oak trees healthy, delay pruning until mid-July
  • Affected trees will suddenly begin to wilt from the top down, rapidly dropping leaves, which can be green, brown or a combination of both colors. Inset photo, the nitidulid beetle can carry oak wilt spores from tree to tree during the period between April 15 and July 15, so don’t prune oaks during this time.
    Affected trees will suddenly begin to wilt from the top down, rapidly dropping leaves, which can be green, brown or a combination of both colors. Inset photo, the nitidulid beetle can carry oak wilt spores from tree to tree during the period between April 15 and July 15, so don’t prune oaks during this time.
LANSINGSpring is pruning season for many tree species, but if you have an oak tree, put down your saw by mid-April.To stop the spread of oak wilt, a fungal disease that can kill red oak trees within weeks, the Michigan Department of Natural Resources is urging homeowners not to prune any oak trees from April 15 to July 15.Despite warm days in late winter, the risk of infection through sapfeeding…

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