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 ...

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

Elm zigzag sawflies can munch on plants beyond their preferred elm trees when foliage isn't available, a new study suggests ...

A city council committee backs seeking $100,000 from federal program to help assess the tree inventory this year, part of a ...

The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize the state’s elm population. The American elm trees, each about 2 ...

Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...

It took more than 50 years for the two elm trees to grow to their grand stature in front of Harold Osmundson's south Moorhead home. On Friday, the 61-year-old marveled at how quickly a city forestry ...

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 ...

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 ...

GRAND FORKS – As June approaches and trees begin to leaf out, Sean Lee, the forestry operations manager with the Grand Forks Park District, knows it’s time to begin watching out for Dutch elm disease.

KANDIYOHI, Minn. -- You want big trees? William and Ute Reid have big trees. Lots of them. How about state record contenders for rock and red elm? Not to mention bitternut hickory. Did we mention ...

RENO BOTTOMS - The elm tree that towered over Andy Meier was a survivor. At 37 inches around and about 150 years old, it had so far avoided Dutch elm disease, the fungus that wiped out many of its ...