Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...

GEORGETOWN, Colo. — It’s really starting to look like fall in the Rocky Mountains with fresh snow on some of the peaks and with the aspen leaves starting to change. Those leaves may be reaching peak ...

Tree health, drought, daylight, rainfall, elevation, heat, and wind can all play a role in when fall colors hit their peak. This year, the Colorado Rocky Mountains are expected to reach full color in ...

Landscape trees fulfill many functions, including seasonal color in the form of blossoms or autumn foliage. Some trees provide food (fruit or nuts) for humans and wildlife, while others offer ...

Aspen leaves along the Peak to Peak Highway are approaching their peak. ABOVE: Near the highway, golden aspens reach for the sky on Friday. BELOW: A pair of aspen trees stand in contrast to dark ...

New research from Western Colorado University shows that the long-held conventional belief about aspen trees being resilient to wildfires is more than just an anecdotal assumption. Matt Harris, a ...