Learn how to identify the aspen tree in the forest, as well as facts about the tree's habitat, ... 32 Common Tree Diseases. Use Needles to Identify Common North American Coniferous Trees.

Quaking or trembling aspen is a short-lived (50 years), fast-growing, medium-sized tree. It seldom exceeds 60 feet in height and 20 inches in diameter. Although it has some good ornamental ...

Discover the major common tree diseases in the United States. Armillaria attacks both hardwoods and softwoods and causes either yellowing leaves or browning needles. Wood that is decaying from ...

The city of Aspen announced Tuesday an increase in early leaf drop of some cottonwood trees due to a surge in fungal diseases. The primary fungus causing damage is Septoria, which is a common foliar ...

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.

Aspens are the prime tree to see during Colorado’s leaf-peeping season. While you’re outdoors, don’t leave a trace by carving into their bark.

However, Populus tremula, as aspen is known in scientific terms, is an important species in our native forests, albeit one ...

Aspen trees, in particular, are known for their resilience, Mock said. They’re a “very disturbance-oriented species,” in that they regenerate well after fires or after otherwise being felled ...

When a tree is carved into, this protective layer is broken, leaving an open wound, similar to us getting a cut on our skin. This wound leaves open the possibility of diseases or pests entering ...