After the summer months when tourism is tapering off in Flagstaff, the changing colors of the aspen trees bring people up the mountain to peep the rainbow of leaves on the San Francisco Peaks and ...

As you drive on Independence Pass, you may notice vibrant yellows, oranges and reds scattered among the trees. It is officially autumn in Aspen, and leaf-peeping season is here. According to the ...

Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

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 ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...