The Fraser Fir is a popular Christmas tree, known for its classic shape and notable fragrance. They can grow up to 80 ft in height, with a diameter of 1-1.5 ft. This species grows best in moist, well drained, fertile soil with high acidity and protection from wind.
The Douglas Fir has a large pyramid shape and straight trunk, and can grow to a height of 80+ ft in the right growing conditions. They are a popular choice for Christmas trees. Douglas Fir feature soft gray-green to blue-green needles, which carry a pleasant aroma when cut or crushed. They prefer, rich, moist, well drained soils. Once established, they love full sun and will become dominant to the ecosystem.
Colorado blue spruce, or blue spruce, is an attractive tree often used for Christmas trees or as ornamentals, particularly in the eastern United States and Europe. It is the official state tree of both Colorado and Utah. The species generally reaches a height of 65-115 feet at maturity with a diameter of 2-3 feet. It has a narrow, pyramidal shape and cone-shaped crown. As trees become older, they often take on a more irregular appearance.