All living things die, which is too often perceived as a negative phenomenon. Yet, forest mortality yields an opportunity for both change and rejuvenation. These dynamics are wonderful to witness, and ...

Looking for relief from the sun? These seven fast-growing shade trees are perfect for creating a cooler, more comfortable backyard in a short time.

This single genetic individual weighs around 6,000 metric tons. By mass, it is the largest single organism on Earth. Aerial outline of Pando, with Fish Lake in the foreground. (Lance Oditt/Friends of ...

Insects that plague aspen trees include aphids, sawflies, poplar twiggall flies, and more. While beautiful trees, aspens are very sensitive to many environmental problems.

I’m pretty sure this was a quaking aspen (Populus tremuloides) or as many of us New Englanders know them, a quaking poplar. When I think of a "cheery" tree, I think of quaking aspens.

Aspen is palatable to more species than just deer, and there is a large range of insects whose larvae feed on the leaves, including caterpillars of the poplar hawkmoth (Laothoe populi), which are ...

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 ...

The quaking aspen leaf is roundish and somewhat heart-shaped, with a fine-toothed edge that is barely perceptible. The leaves are 1-3 inches long.

Invasive Caterpillars Increase Toxicity of Aspen Forests When we walked with a colleague into an aspen forest near Madison, Wisconsin, in the early spring of 2021, we expected to finalize our plans ...