While the pattern is fairly consistent year-over-year ... tree as it creates a protective seal between leaves and branches to prepare for dormancy. Aspen leaf pigmentation can be influenced by ...

While many people in the Roaring Fork Valley are proclaiming this fall to be one of the best ever for leaf peeping, Jim Kravitz says to hold on just a minute. Kravitz, director of naturalist programs ...

Aspen trees go by several different names: trembling aspen, golden aspen, quiver-leaf aspen, small-toothed aspen, Canadian aspen, quakie, and popple. Aspen is the only transcontinental broadleaf ...

This is the most common, fascinating form of aspen reproduction: not by seeding, but by regenerative cloning. The clones share genetics and physical characteristics; look closely at leaf shape and ...

Aspen and the rest of the Roaring Fork Valley offer spectacular leaf-peeping, and Lesley noted that the Maroon Bells Scenic Area remains a go-to spot for folks hoping to glimpse the colors.

While the pattern is fairly consistent year-over-year ... seal between leaves and branches to prepare for dormancy. Aspen leaf pigmentation can be influenced by temperature and exposure to ...