So, what do all those trees do in the winter? They freeze for one thing – or, partially at least. Trees are about half water. Some species like ash less so and others like white pine more so.

Instead, the leaves and needles have a waxy coating called cutin that helps protect the tree during the winter. Evergreen trees include fir, spruce and pine trees, which also make up the most ...

Needles remain on the tree for two to three years before dropping in the fall. The bark on younger trees is dark and relatively smooth, and becomes quite furrowed in older trees. The eastern white ...

Redbud trees ... the winter into the next growing season. Need a break? Play the USA TODAY Daily Crossword Puzzle. For 300 years, white pine was unrivaled as a timber-producing tree and perhaps ...

The best method for pruning your pine trees involves pruning in the fall. Regular pruning also helps to shape the tree, ...

Joe Stavish, Tree Pittsburgh’s education director, often takes to social media to teach people about trees. On an early December morning, about a dozen people joined him in person to learn to ...

Some species, like white ... pine and spruce trees have scales of bark, while species like the black birch have thick, irregular plates on their trunks. In addition to the texture of a tree's ...

Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic bristlecone pine ... the tree — not beetles,” he said. “But I noticed some other trees ...

bunya pines and black bean trees. The bunya pine (Araucaria bidwillii) is an ancient native conifer of cultural and spiritual ...