Have you noticed discoloration on your maple tree leaves this year? You aren't the only one. Here's what you should know ...

An aggressive hatch of Douglas-fir tussock moth caterpillars is threatening trees, both in national forests and in Santa Fe.

Those seedlings won't survive. A common problem when planting aspen seedlings: the 'j-root.' (Andrew Hynes/CBC) Out of the 19 trees in the plot, they found one j-root.

Tree planters are hard at work this spring planting aspen seedlings in the Whitehorse South fuel break. The goal is to build a natural barrier to wildfire, by removing all the highly flammable ...

Crystal To walked through a barren, burnt landscape — over ash, dirt and the soot-black remains of small charred stumps. She slammed a small shovel into the ground, wiggled it back and forth to create ...

Aspen trees are vulnerable to infection from a number of sources. Common problems include fungal diseases like Cytospora, leaf spots, and other cankers that can cause trunk rot.

Aspen Canker Greg Blick / Flickr / CC BY-NC-ND 2.0 Quaking aspen (Populus tremuloides Michx.) is one of the most well-known and widespread tree species in the western United States.

Aspen wood is lightweight and fairly weak and bendable. But, in spite of these somewhat negative features, the wood is very desirable for many uses including children’s toys, tongue depressors ...

A recent DNA analysis of hundreds of tree samples suggested Pando is between 16,000 and 80,000 years old, making it one of the oldest living organisms in the world — although that research ...

June 28, 2024. Populus, a new eco-friendly hotel in downtown Denver, doesn't just invite guests to stay in a hotel designed to resemble an aspen tree.

A large swath of dead trees along Stewart Creek near the trail to San Luis Peak, one of Colorado's 14ers, in the San Luis Mountains. “So that adds to complexity about what can we do with the ...

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.