Aspen is the only transcontinental broadleaf tree growing from Newfoundland to California and Mexico ... a task usually performed by a tree's leaves. According to the National Wildlife Federation ...

Ready your iPhones and picnic blankets: Colorado’s leaf peeping season is here. As summer wanes and fall approaches, pockets of yellow aspen trees are becoming more and more abundant. Within weeks, ...

Look beyond Colorado’s shimmering yellow aspen trees for wonderful leaf-peeping this fall. Adam Moore, the supervisory forester at the Colorado State Forest Service’s Alamosa field office ...