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 ...

In the 1930s, under Mussolini's fascist regime, Italy launched a sweeping reforestation drive across the northern Alps. The ...

Mid-elevation Central European conversion of beech stands to spruce plantations has intensified soil acidification via needle ...

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.

The tall, slender beech trees with their dark green, dense crowns – the very symbol of the temperate forests in Europe – may have disappear from many landscapes by the turn of the next century. Today, ...