We form interspecies relationships with our pets. So why not plants?

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm ...

On the St. Paul campus of the University of Minnesota, rows of tiny elm trees sprout in a test field run by University researchers. These elms are a series of new trees cloned by the University that ...

It's been more than three decades since Dutch elm disease was first spotted in Grand Forks. That first victim was a small tree that grew where the Grand Forks water treatment plant now stands. Since ...

The first warning that a tree may be infected with Dutch elm disease (DED) can start with one branch, says the City of Regina ...

Orange spray paint signifies death for some stately elm trees on the University campus this summer. The cause is Dutch elm disease, an ailment with a notorious history in the Twin Cities. In 1977, ...

This shade tree makes a lovely addition to the yard. Unfortunately, it can come with a host of problems like pests, disease, and aggressive root systems.

REGINA —To stop the spread of Dutch elm disease (DED), pruning elm trees is prohibited in Saskatchewan each year from April 1 ...

Recently, our diagnostic lab at Kansas State University reported a high volume of Dutch elm disease cases in Kansas. The disease has been present in the United States since the 1920s, when it began ...

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 ...

Looking upward into the branches of a very large elm tree. - Alex Cristi /Getty Images Summertime shade might be the most obvious benefit trees provide, but they also improve air quality, cool the air ...