The beech tree, a foundational tree in Connecticut forests, is under attack by a microscopic worm that likely arrived on the ...

A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.

The tree disease that exploded in Bay Area forests three decades ago, stunning residents with vast die-offs in parks and neighborhoods before slowing, has opened a new front with a second, potentially ...

Beech leaf disease, which was confirmed earlier this month in Vernon and more recently in Dummerston, is caused by invasive nematodes that spread in the tree’s leaves. In the United States ...

However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...

BETHLEHEM TWP., N.J. - New Jersey wants its residents on the lookout for a disease in trees. The state is calling beech leaf disease an emerging forest health threat that's rapidly progressing in ...

These elms are a series of new trees cloned by the University that show promise to be resistant to a deadly disease that has killed thousands of elm trees that traditionally line the boulevards and ...

NORTHERN MICHIGAN (WPBN/WGTU) -- Some lawn maintenance is recommended now that the leaves have fallen. Experts explained why this is the best time of year to prune your trees to avoid a deadly ...