Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

Spruce shrubs and trees are conifers from the genus Picea, which includes 35 species. Spruce trees and shrubs are characterized by a branch structure, called a pulvinus, where the needles attach. This ...

A forest in Italy looked healthy, but scientists found it had lost over half its plant diversity after decades of monoculture ...

If you look at the trees as you're driving on the Trans-Canada Highway toward Banff National Park, you will see Englemann spruce on the cooler, wetter northeast-facing slopes of the Three Sisters.