Dutch elm disease was introduced to the United States in the early 1920s. It quickly decimated our American elms, killing hundreds of thousands of trees. The disease first appeared in Kansas in 1957 ...

ST. PAUL -- Since 1999, the University of Minnesota has been cooperating with the Minneapolis Park and Recreation Board to evaluate and select elms for use in Minnesota. Many new Hybrid and American ...

Q: I understand there's been progress in developing Dutch elm disease-resistant American elms that are also relatively fast growing. Do you have any information and varieties you can recommend? - Dan ...

COLUMBUS, Ohio (WKRC) - A researcher recently discovered a population of an invasive pest species in two different parts of Ohio. While inspecting the area, the researcher found that the elm zigzag ...

A new, invasive insect species has been detected in Ohio for the first time, authorities said. The elm zigzag sawfly was spotted by researchers infesting elm trees in both Franklin and Delaware ...

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 ...

In this edition of ID That Tree, we’re going to introduce you to yet another native Indiana elm found in the far southwest corner of Indiana, and that is winged elm. It’s named for its prominent corky ...

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 ...

RALEIGH, N.C. (WTVD) -- An invasive insect that's originally from East Asia has arrived in North Carolina, according to researchers at NC State. The elm zigzag sawfly, or Aproceros leucopoda, first ...