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 ...

Fewer than two percent of North America’s bark beetle species attack trees, but those that do have killed billions of ...

The Wollemi Pine’s bark looks like bubbling chocolate—but its real secret? It’s a 200-million-year-old survivor from the age ...

Settling a sapling in to the ground in February and March gives a young tree a chance to settle in before the sap begins to ...