As temperatures rise, local officials warn residents about the Western Pine Bark Beetle, a native insect that affects ...

Wildfires can burn and spread differently depending on what vegetation they burn. The two fires in northern Arizona have ...

Have you ever paused beneath a towering oak or maple and wondered if that rough, gnarled bark is hiding secrets? What if I told you trees are nature’s own weather stations—silent, stoic, and ...

The needles are the primary distinction between other pines, including the red pine with two needles ... resembles a white ...

Two white pines planted in the landscape; one is developing a general chlorotic appearance. White pine showing symptoms of decline on branches where the bark is shriveled and sunken. Depending on the ...

White pine decline causes pale green or off-color limp, drooping needles that later turn brown. The bark may be spongy and may shrivel and ooze sap. Usually, the entire tree is affected at once ...

Is your white pine tree dying? Perhaps, but probably not. Let’s take a close look at your tree and see if there’s anything to worry about, or anything you need to do.

Climate change, wildfires and a deadly fungus threaten this iconic tree The U.S. Fish and Wildlife Service announced that it is listing the whitebark pine as threatened under the Endangered ...

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 ...

Most of us are probably within arm’s length of a piece of Pinus strobus secondary xylem, more casually called white pine wood.

Outdoor Idaho takes a deep dive into the impact Idaho’s western white pine tree has had on society.

Is there any truth to the claim that pine needle mulch makes soil more acidic, or is it a myth? We looked at the science of ...