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 ...

A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop it from causing further damage. The USDA is hoping to spread the word so ...

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 ...