Deep inside a forest in Oregon’s Willamette Valley stands a dead "Tree of Life." Its foliage, normally soft and green, is tough and brown or missing altogether. Nonetheless, the tree’s reddish bark, ...

Jack pine and other alternative evergreens have advantages over the red cedar, but there are considerations when choosing the right species for the job.

Its foliage, normally soft and green, is tough and brown or missing altogether. Nonetheless, the tree’s reddish bark, swooping branches and thick, conical base identify it as the Pacific Northwest’s ...

As native trees in the Pacific Northwest die off due to climate changes, the U.S. Forest Service, Portland, Oregon and citizen groups around Puget Sound are turning to a deceptively simple climate ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...

In Ontario's forests and swamps grows a humble conifer with scale-like leaves—not needles—that holds deep meaning for many. Meet the eastern white cedar ...