Northern red oak (Quercus rubra) is a Midwest native and is generally well adapted to growth across much of the region, but we get questions about dieback or ‘flagging’ on it fairly regularly. The two most common causes of twig dieback on this host are Kermes scale (Allokermes galliformis and A. kingii) and fungal canker/dieback…Read more about Oak Kermes Scale and Fungal Dieback: A One-Two punch for Northern Red Oak[Read More]
Resources for landscapes and gardens in the Midwest
Landscape Report
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