Aspen Viewing Tips.

Autumn Colors of Aspen Fall is one of the most spectacular times of year in Aspen. Our namesake trees turn a golden hue and the weather is ideal for myriad outdoor activities. Explore by foot, car or bike around our beautiful golden forests, you will not be disappointed. Aug 03, Quaking aspen trees (botanical name Populus tremuloides, and also commonly called"trembling aspens") have a golden-yellow fall foliage color, after bearing deep-green leaves all summer.

The origin of the name"quaking" lies in the fact that the foliage of aspens shimmers or quakes when there is a breeze. This quality is due to the trees' flattened petioles, or leaf bushnotch.barted Reading Time: 5 mins.

The reason aspen leaves change, like the leaves of any deciduous tree, is because of a decrease in photosynthetic activity as the days get shorter in the fall. The gold and yellow colors we see in autumn are always there; in the fall, they simply are revealed when the green hues from chlorophyll production fade.

Sep 08, Why Aspen Leaves Change Color During Fall. Each year at the end of summer, Colorado hosts one of the most brilliant natural displays of color as the Aspen trees shed their leaves in anticipation of a cold winter.

Oranges, yellows, reds and browns are lavishly splashed across the deep blue sky, as Colorado’s most prolific deciduous tree enters an energy-saving sleep that will carry it through to the.