Q: I have three 35-year-old Arizona ash trees. Some of their heavier branches are rotting, and one has fallen. A tree trimmer has suggested that I let him top the trees to give them more life. I hate ...
Emerald ash borers can kill ash trees in a short period, making identification of infestation and immediate treatment ...
Above: Nick Shipley, left, co-owner of Civano Nursery, discusses an Arizona ash tree with Viktoriya Popenko during Pima Smartscape’s 2018 Sustainable Landscapes Expo. Civano brought 100 trees to give ...
Samples for the study were collected by researchers from Penn State, the Forest Service and other partners around the Oregon ash range, extending from California, Oregon and Washington into British ...
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