One of the largest old elm trees in Toronto — possibly in all of southern Ontario — is on its last legs. But as the city finalizes plans to take down the Barton Avenue landmark next week, a ...

Elm trees made up 40 percent of Winona's trees in the 1960s, including this canopy over Broadway Street. After one sickling elm was found in 1969, it took 15 short years for the population to be ...

The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations.

An apple may not fall far from the tree, but for a leaf, it depends on its shape. Elm or apple leaves — oval and symmetrical, with few protruding lobes — fall quickly, making them likely to ...

The Prospect Park Alliance is cutting down one-third of the trees in the Dog Beach Elm Grove because of Dutch elm disease.

Brown University’s 155-acre campus is home to thousands of trees and is recognized for its impressive American elm collection. Last year, the campus lost an iconic community fixture, an elm tree ...

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 ...

A massive American elm tree that stood for generations on the lawn of the First Presbyterian Church 1793 in Washington took its final bow on Monday as crews began its removal. The 100-foot tree was ...

Home Nature Britain lost 25 million of its 'graceful giants', the elm tree — but there's finally real hope that they are coming back Once the hallmark of a rural idyll, our English elms were almost ...

Slippery elm is a supplement made from the inner bark of the slippery elm tree. It has traditionally been used to treat digestive symptoms and sore throat.

Climate change may cause fall leaves to change later, putting trees at risk for frost damage. Even if they change on time, colors may not be vibrant.