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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The 36 trees planted last week at Boutwells Landing senior living community in Oak Park Heights have a big job: To help revitalize ...

James Weldon receives funding from the Economic and Social Research Council (ESRC). Elm trees were once stalwarts of the UK countryside that towered out of hedgerows, lined fields and woodlands.

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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 ...

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 ...

This American elm tree is the new second place state champion with a circumference of more than 11 feet. The champion American elm is also in Fargo. Patrick Cronin of south Fargo stands next to his ...

The squiggly trunks and branches of Black Locust stand out in the winter landscape. Photos by Katie Finch Leaves are probably the most common feature used to identify trees. But in winter, when so ...

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 ...