Aspen trees tend to have rough bark that ranges in color: greenish or yellowish, grey, white, or a mix. These trees are medium-sized, growing between 20 and 80 feet tall. The leaves are circular ...

While the inch-long larvae don't usually kill aspen outright, their trails can weaken the trees and open new portals to fungal infections, which in turn form oozing bruises under the bark.

“Because of the thin skin,” Rogers says. Aspen bark is not like the bark of a pine tree or Douglas fir or any other conifer. These white trunks don’t have that protective, rough shiel ...

Best Trees for Backyard ... soils and rewards you with golden yellow foliage in fall and whitish bark year round. Quaking aspen grows 40 to 50 feet tall, with an oval to pyramidal shape.

It was an aspen tree, not one yet showing off the shiny leaves we seek this time of year. Maybe they would never show. “I saw the orange hue on the bark,” said Korb, who has researched the ...

Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...