The city's American elm trees, some nearly a century old, are struggling this spring. These towering trees lining the boulevards and city parks have many looking ...

The bark is light-gray ... Mortality can result as the tree tries to stop the spread of the fungus. Since the Siberian elm is non-native and appears to have resistance to the disease, it has been used ...

Chestnut Trees in Bloom, by William Henry Holmes. [Smithsonian American Art Museum] At one time ... employee H.W. Merkel noticed that large sections of the park’s chestnut trees’ bark were dying, and ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Willows (Salix ssp) can be identified by their long, narrow leaves ...

Sapsuckers — a close relative of woodpeckers — cause damage to trees that is often attributed to wood-boring insects. They visit a tree many times, feeding on sap accumulated in the holes they ...

Last year we noticed that some of the bark is falling off the west side of the trunk. What should we do? Thanks for the excellent photos. If this were a young tree, especially a red oak ...

the other a symbol of railroad achievement in the American West. In this video, we explore the eerie geology of Devil’s Slide and the historic significance of the 1000 Mile Tree—two ...

Persistent for up to five years, and cycle between strong and weak coning years. Bark – Dark brown, separating into thin, scaly plates on older trees. The point of origination of Serbian spruce (Picea ...

The city of Aberdeen, Aberdeen High School, Pacific Education Institute, Weyerhaeuser and American Forests are inviting the public to join in planting 20 trees at Pioneer Park located at 214 S.

American sycamore features broad, maple-like leaves, button-shaped seeds, and multicolored, patchy bark. Flowers bloom in May and are not showy. The fruit remains on the tree throughout winter and ...

Pests are ravaging keystone species like ash, elm, and beech ... of succumbing to beech bark disease. The deadly fungal infection often reveals itself through fluffy, white insect infestations. The ...