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.

Aspen is home to about 12,000 trees, the majority of which are native trees: aspen 24%, narrowleaf cottonwood 27%, and spruce 17%. “At 8,000 feet, we are limited to what we can grow,” he said. “There ...

People have been celebrating the summer solstice with elaborate rituals since prehistoric times. But humans aren’t the only ...

To carve an aspen tree — to take a blade to the trunk for the sake of your initials, for example — is to do harm. Harm to a being with a life expectancy much like our own: 100 years, if we ...

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.

DENVER — Considering how quickly fires can turn forests to ash, it may come as a surprise that the U.S. Forest Service says fire is necessary for aspen trees to thrive.Of all the various ...

Aspen trees don’t have the same amount of salicylates as, for example, white willow, but the chemical is still present. Though used for hundreds of years, ...

Aspen trees are particularly vulnerable because they are linked together underground, so carving into one tree can potentially damage multiple trees. Additionally, aspen bark can photosynthesize ...