A potentially devastating disease epidemic is attacking our region's most common evergreen trees. Colorado, Black Hills and Norway spruce have long been planted in yards and shelterbelts. Most of the ...
Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...
From the Northern European Steppes, the Norway spruce amazes people with its impressive longevity and size. The tree can rise to over 150 feet and has long drooping branches that give its distinctive ...