While several weeks later than last year, Japanese beetles definitely have arrived in Minnesota. I saw several on a garden tour last weekend and gardeners on the MSHS Facebook page chimed in that many have been seeing the beetles for at least a week. Jeff Hahn, one of the bug experts at the University of…

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Yesterday, we posted about three of the six insects University of Minnesota entomologist Jeff Hahn thinks northern gardeners should watch out for. So, here’s the rest of the list. Japanese beetles. Not surprisingly, this was Hahn’s pick as the baddest bad insect this year. For the past month or so, gardeners have been picking, squishing…

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At the recent Upper Midwest Master Gardener conference at the Minnesota Landscape Arboretum, entomologist Jeff Hahn led a session called “Watch out for These Insects.” In it, he highlighted the top six insects that threaten gardens in the Upper Midwest. Here are three of them — tomorrow we’ll highlight three more. Some of these guys…

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