Ash trees were planted in many urban forests in Minnesota to replace elm trees decimated by Dutch elm disease, Venette said. “It’s all part of growing a more diversified urban forest,” he said.

As the Minnesota State Fair grounds begin to bustle with activity, fair officials and University tree pathologists are trying to determine why half of the elm trees on the grounds are infected with ...

Researchers and volunteers plant elm trees in a field at Boutwells Landing senior living community in Oak Park Heights on Friday, May 16, 2025. The University of Minnesota researchers hope the ...

MINNEAPOLIS — Minnesota agriculture officials announced Tuesday the discovery of an invasive insect new to the state. According to the Minnesota Department of Agriculture, the elm zigzag sawfly ...

Officials said the potential impact of the elm zigzag sawfly is unknown because of the short time it has been in the U.S. (since 2021). "Although the insect causes defoliation of elm trees, most ...

Hannah, now 17, is most proud of a project in collaboration with a University of Minnesota researcher to identify strains of elm trees that were resistant to Dutch elm disease, which can devastate ...

For decades, the American elm population has dwindled, and one of its greatest threats is the deadly Dutch elm disease, which has taken its toll on Brown’s campus, too. The tree removal ...

The American elm trees, each about 2 years old and 4 to 6 feet tall, were cloned by University of Minnesota researchers to be resistant to Dutch elm disease, a fungal disease that killed millions ...

MINNEAPOLIS — Minnesota agriculture officials announced Tuesday the discovery of an invasive insect new to the state. According to the Minnesota Department of Agriculture, the elm zigzag sawfly ...

If you believe you see the elm zigzag sawfly, you can report it here or by calling 1-888-545-6684. More information can be found here. For Related Stories: Invasive Species Minnesota Department of ...

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 ...