Area pine trees have been showing signs of Diplodia, a fungal disease that commonly affects red pines after hail, causing their needles to turn red. Most trees will survive if there is adequate precipitation.
Pine trees damaged by recent hail storms in portions of northern Washington County should be left alone until next year unless more than half of their needles have turned brown, according to a press release issued by the Minnesota Department of Natural Resources.
Following heavy winds and hail on July 12, many red pines in a 14-mile swath from the Hugo-area to Scandia and Marine on Saint Croix have been showing signs of Diplodia, a fungal disease that commonly affects red pines after hail, causing their needles to turn red. Most trees will survive if there is adequate precipitation.broadstreet.zone(48036);
“Dipodia doesn’t usually kill mature red pine so they should be left to recover,” DNR forester Jeff Wilder said in
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