A large outbreak of the eastern spruce budworm is defoliating trees and stressing or killing them, which can then help fuel ...

The eastern spruce budworm is a native insect that munches on balsam fir, leaving some 1,100 square miles of trees defoliated ...

University of Alberta research is showing how trees and fungi team up to survive and stay healthy against insect attacks—an ...

The devastating wildfires that are consuming thousands of acres of forest in northern Minnesota have been exacerbated by the actions of a wood pest. Commanders responding to the trio of wildfires ...

At mid-summer, he watched as the needle-eating caterpillars morphed ... The resulting death of balsam fir (and, to a lesser degree, white spruce) has many in the region worried about growing ...

Yet there are many ways to repurpose your used pine, fir or spruce at home ... go for white pine, easily identifiable by its clusters of five needles. Cut the needles into smaller pieces, add ...

and five in white pines. In spruces and firs, each needle attaches to the branch separately. So how to you tell a spruce from a fir? Spruce needles are square in cross-section and easy to roll ...

One of the most popular varieties of Christmas tree. These trees are valued for their strong branches, pleasant smell, good needle retention and more open growth habit, making them easier to decorate.

Needles emerge as a soft clump ... especially Minnesota. White spruce (Picea glauca) is also known as Canadian spruce, skunk spruce, cat spruce, Black Hills spruce, western white spruce, Alberta ...

Black hills spruce, White pine, Balsam fir, Concolor fir, Korean fir and Canaan fir. Fraser fir continues to increase in consumer popularity and for good reason. Fraser fir has blue-green needles ...