Note: Norway spruce is a common non-native European tree that has been extensively planted and has naturalized in North America. They are primarily found in areas of the Northeast, the Great Lake ...

In nature, you’ll see several types of spruce trees (Picea spp.) that are beautiful, rugged evergreens capable of lasting several centuries and withstanding extreme winter cold. They are amongst ...

Timberland owners want to prevent a repeat of a devastating infestation of the voracious forest insects in the 1970s and 1980s.