The elm zigzag sawfly has spread to 15 states in five years. Now it's attacking the tree that cities planted to replace Dutch ...

U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

Grand Forks still loses more than 100 trees a year to Dutch elm disease, even as its threat has decreased in recent decades. Dutch elm was first found in Grand Forks in 1979 and reached its height in ...

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 ...

I used to be the person who stood at the window, looked at the yard and thought only how pretty it was. My husband took care of the lawn maintenance — partly because he enjoyed it, and partly because ...

Q.: We have a couple of Chinese elm trees next to our home. They are relatively large and seem to keep multiplying. The trees are not very pretty and last summer, there were far more pods falling from ...

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 ...

Frank Knight’s decades-long battle to save New England’s tallest elm served as an inspiring tale of devotion, so it is fitting that he will be laid to rest in a coffin made from the tree he made ...

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 ...