For more than a thousand years in eastern North America, anyone who wanted to build a house or replace a roof, or maybe just needed a few storage bins, a canoe, and a snow shovel, knew where to shop.

Dutch elm disease has been present in the United States since the 1920s, when it began its rapid spread across elm populations, killing most American elms. Every year the disease continues to spread ...

He taught us to recognize the diamond pattern on hickory bark and reminded us to check whether branches were opposite or ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

GRAND FORKS – As June approaches and trees begin to leaf out, Sean Lee, the forestry operations manager with the Grand Forks Park District, knows it’s time to begin watching out for Dutch elm disease.