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

Dutch elm disease is the grim reaper of United States’ elm trees. Since the 1930s, it caused wilt and death for native elm species all over the country, spreading from tree to tree through root grafts ...

The oldest elm tree in Portland and possibly all of Oregon has suffered a rough 2024 so far — and city officials say they have no choice but to cut it down next month, about 150 years after it took ...

Deep in Glen Affric stands an ancient witch elm once known as the “Last Ent,” a lone survivor of Dutch elm disease that wiped ...

PORTLAND, Ore. (K O IN) — A tree representing a piece of Oregon history is entering its final days. Despite efforts from arborists and experts to save an “iconic” 154-year-old elm tree in downtown ...

Elm-lined streets were once ubiquitous in America. The trees’ success throwing beautiful, shady canopies over urban environments made them one of the most popular to plant in the country. Then a ...

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 ...

Your Reporter Kelly Werthmann specializes in coverage of Aurora. She also anchors CBS Colorado's weekend evening newscasts. Share you story ideas with her by sending an email to yourreporter@cbs.com.