Dutch elm disease has been present in the United States since the 1920s, when it began its rapid spread across elm populations, killing most American elms. Every year the disease continues to spread ...

From 1905 to 2013, an elm tree spread its roots in the original yard of the John Brown House in Providence. Originally planted by owner Marsden Perry to create a “park-like setting” in his yard, the ...

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

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 ...

Pay attention to your elm trees. That's the message from Colorado Springs Forestry Department officials. They want tree owners to be on the lookout for signs of Dutch elm disease which despite the ...

FARGO — Fargo city forester Scott Liudahl's job sometimes involves having to cut down trees, but no matter how many times it happens, it still bothers him. "I take it very personally, especially if ...

Add Yahoo as a preferred source to see more of our stories on Google. Brown University’s 155-acre campus is home to thousands of trees and is recognized for its impressive American elm collection.

In early July, Denver’s forestry team discovered that Dutch elm disease – a fungal tree killer that targets American elms – was back after a twelve-year absence from the city. While the team is hoping ...

The hulking base of what was once the largest elm tree in the Northeast lies on its side outside Vermont Tree Goods‘ mill in Bristol. From this angle, the cross-section of the century-old trunk — ...

OGDEN CANYON, Utah — A fungal tree disease, which has destroyed millions of trees in the United States, has been detected in Utah for the first time. “We were sick to our stomachs thinking about what ...