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 ...

Q: I have an ash tree that is now going on 4 years old. The woodpeckers have never bothered it but now they are beginning to peck at it. It attracts ants, which are beneficial to the woodpeckers, and ...

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 ...

Winter isn’t the ideal season for pruning trees in Upstate New York, but it’s the best time to cut scion or twigs from ash trees in parts of the state where the species has been all but wiped out.