Aspen trees are the mostly widely distributed native ... Aspens also provide the Centennial State’s only real fall colors, turning a brilliant gold in the short period between the end of summer ...

Aspen trees are a powerful icon in Colorado. A glitzy ski town is named after them, tourists come from all over to see the trees’ fall colors, and even John Denver sang about them. But around a ...

When most people think of seeing fall colors we think of the Aspens changing. But Aspen trees are only one of the many species that produce gorgeous shades of yellows, oranges and reds in the autumn.

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall ...