In this episode of ID That Tree, meet the ash family, with specific focus on the white ash, which is typically found on higher and drier sites than its cohorts. This species, which is in trouble due ...

Associated Press How do I know if I have ash trees on my property?There are four species of ash native to the eastern United States white, green, black and blue. Branches and leaves always grow in ...

This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...

I was a boy when Dutch Elm Disease killed most of the stately American elms that shaded our streets. Spongy moth caterpillars stripped the foliage of our oaks, killing many of them. Hemlock woolly ...

Along the St. Louis River, more than 60,000 trees will be planted to replace dead ash trees and protect the estuary. With dead ash trees all around, Nathan Wagner, of Janesville, Wis., a member of ...