In elementary school, most of us learned the basic differences between deciduous and coniferous trees. Deciduous trees have leaves that change color and drop in the fall, and coniferous trees have ...

They're a classic winter sight — but can you tell different types of conifer trees apart? Here's what distinguishes fir, pine ...

NORTH TEXAS (CBSDFW.COM) – There are many advantages to conifer trees. First, they are green year around. That means when used as a landscape screen, whatever they are blocking from your view, they ...

Looking to grow an evergreen or just curious about fir trees? Learn fascinating fir tree facts about these members of the ...

To properly manage a tree, you need to know what species it is. Plus, tree identification is a lot of fun. Knowing a tree’s species is key to understanding their proper growing conditions, how to ...

As we head into the winter season, we can see nature’s landscape change. The temperatures drop, animals begin to migrate or hibernate, the mountains get covered in snow and trees begin to lose their ...

The exact science of tree sap transport has puzzled plant physiologists for many years. Sap's migration throughout tree trunks and branches is linked heavily to transpiration, the movement and ...

NEW YORK — In New York City, even sidewalk space is coveted real estate. Street vendors sometimes spend a fortune or languish for years on waiting lists to acquire one of the permits that allow them ...

As the autumn leaves flutter to the ground, you might find yourself picking one up, observing its color and shape, and wondering: What kind of tree is this from, anyway? Oregon is best known for its ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Scientists have discovered a record number of dead fir trees in Oregon, in a ...

Dwarf mistletoe, a parasitic plant, means healthy-looking trees are not always what they seem. The infection causes dense growths called witches' broom.