Elms in the Alberta Avenue neighbourhood are being felled as another case of a deadly and highly contagious fungal disease puts Edmonton’s vast canopy of urban elms under threat.

A devastating and highly contagious tree fungus has been detected in north Edmonton, the latest case of a deadly disease that puts Edmonton's vast canopy of urban elms under threat. In a statement ...

The City of Edmonton has confirmed a new case of Dutch elm disease found in an elm tree near Alberta Avenue, the sixth confirmed case since last August.

An experimental American chestnut tree created by researchers at the State University of New York College of Environmental Science & Forestry is one step closer to public release.

First Lady Mrs. Lyndon Baines Johnson (aka Lady Bird) stands in profile next to a Commemorative American Elm tree planted by John Quincy Adams on the grounds of the White House in Washington DC.

The American elm trees, each about 2 years old and 4 to 6 feet tall, were cloned by University of Minnesota researchers to be resistant to Dutch elm disease, a fungal disease that killed millions ...

A research study getting underway in Oakland Forest, an old-growth beech forest in Portsmouth, could shed light on treatments for beech leaf disease.

At the end of the 2200 block, a massive elm tree laid across the street and six volunteers worked to chop it into smaller pieces with chain saws. Two of them dragged entire branches onto the sidewalk.

These 5 tree species are dying. Scientists are racing to save them. Invasives have largely wiped out the American chestnut and elm, caused “hell” with the beech, and are now wreaking havoc on ...