Know all of the different options before you head out to the tree farm. In the meantime, you may want to learn about the different types of trees that are available—varieties like Douglas fir, blue ...

Choosing a real Christmas tree is a big decision! This complete guide breaks down the different types of Christmas trees and ...

The genus Pinus is the largest group of conifers, and it is made up of pine trees. There are nearly 90 species of pine trees found throughout the globe, many of which have value for lumber, pulp, ...

They're a classic winter sight — but can you tell different types of conifer trees apart? Here's what distinguishes fir, pine ...

Nature classifies all trees into three main groups. Deciduous trees shed leaves seasonally. Evergreen trees remain green year ...

The oldest tree species is the Great Basin bristlecone pine (Pinus longaeva). The oldest tree of the species is named Methuselah and is more than 4,800 years old. The longevity of the Great Basin ...