[Show as slideshow] The Concolor Fir, also known as the White Fir, provides a decorative contrast to darker-colored evergreens. It's a popular Christmas tree because of the natural "orange" aroma. The Douglas Fir has myriad uses: as a Christmas tree, ornamental tree, windbreak, or hedge. It grows fast in a variety of conditions. The Fraser Fir serves as both an ornamental tree and a highly sought after Christmas tree. The tree grows up to 60 feet tall and 25 feet in diameter, providing a compact appearance. The Grand Fir is slow growing and shade tolerant. This beautiful evergreen produces few cones. Needles are flat with rounded and notched ends. Fir TreesUpdated on 2013-10-14T02:03:28+00:00, by admin.