"Planting spruce trees for ornamental and scientific ... The insect is present in spruce trees, especially Norway spruce, in most of Europe and has probably blown into the regions.
Norway Spruce grows in USDA hardiness zones 2 to 7. Douglas Fir, Pseudotsuga menziesii, can grow up to 6 feet tall in five years. This is a common tree found on Christmas tree lots but has a short ...
In 1922, 55% of all pulp for paper production in the Northeast United States was from Norway spruce. The tree is naturally occurring in Eastern Europe extending from the Ural Mountains in Russia and ...