For example, the bark of young quaking aspen may be grayish-white but as the tree ages, the bark, especially around the base, becomes darker and furrowed and even a bit “warty.” ...

For some trees, winter does not mean a complete cessation in photosynthetic activity or growth. Quaking aspens store chlorophyll beneath their bark (particularly in younger trees), this is what ...

The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...

This is our celebrated tree of fall, the quaking aspen so named for those leaves that flicker in the breeze, twinkle in the sun and stir our souls. Maybe you didn't know that about the name ...

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.

Quaking aspen (Populus tremuloides) and balsam poplar (Populus balsamifera) also have light-colored bark and can thrive at this northern edge. Some species with light bark have the added advantage of ...

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.