The bark on younger trees is dark and relatively smooth, and becomes quite furrowed in older trees. The eastern white pine adds a ring of side branches and a terminal shoot yearly with age. The cones ...

Needles on an affected tree will turn yellow and eventually brown and fall off prematurely (Figure 1). A symptom of white pine decline includes stems that have shriveled or desiccated bark because ...

The pine is the most widespread tree to receive such protection. It occurs in high-elevation areas of Washington, Oregon, California, Idaho, Montana, Wyoming and Nevada. The tree is primarily ...