Dutch elm disease (DED) remains one of the most pressing challenges for elm populations across Europe and North America. Contemporary research has evolved from early descriptions of pathogen virulence ...

Prospect Park Alliance arborist Malcolm Gore counted the rings on a tree stump at the top of a hill in Prospect Park. "I got to 90,” he said. Counting tree rings for age isn’t entirely accurate, Gore ...

Elm trees have a significant presence around Napa Valley even though their number has been decimated by Dutch elm disease, a fungal infection that has killed millions of elms across North America. The ...

University forest resources employee Colleen O’Connor said an elm tree provided her St. Paul house and yard with shade and free air conditioning for the 20 years she has lived there. But six weeks ago ...

The City of Edmonton has confirmed that an elm tree removed in October from the Glengarry neighbourhood has tested positive for Dutch elm disease (DED), the second confirmed case in 2025. City ...

Researchers and volunteers plant elm trees in a field at Boutwells Landing senior living community in Oak Park Heights on Friday, May 16, 2025. The University of Minnesota researchers hope the trees ...

Saskatoon city hall is expecting a big increase in Dutch elm disease cases this year after a record 41 positive diagnoses ...

Residents may notice smoke near Kindersley on Tuesday as the town carries out a planned controlled burn at its firefighting ...