Published on September 7, 2018
An update on strawberry root weevil adults, green stink bugs, tar spot on maples and leaf blotch on horse chestnuts.
Published on August 31, 2018
Browning and early needle loss caused by brown spot needle blight is showing up on infected Scots pine, making Christmas trees unsalable.
Published on June 12, 2018
Maple petiole borers, balsam twig aphids, four-lined plant bugs, rose chafers, bat bugs and carpenter bees are active. Delphinella shoot blight is visible on Concolor fir, and the “Weed Control Guide for Christmas Trees” has been updated.
Published on May 9, 2018
Gypsy moth is hatching in Michigan's southern Lower Peninsula. The first spray windows are opening for nursery and Christmas trees growers.