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.

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 ...

Some aspen trees have grayish-white bark when they are young or on higher ... like cattle and deer, are eating too much, while other theories suggest insects or fungus are attacking the tree.

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 ...

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.

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 ...

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

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.