Thuja occidentalis ‘Emerald Green’ is a popular and versatile evergreen tree known for its slender and columnar form. It typically reaches a mature height of 10 to 15 feet (3 to 4.5 meters) with a width of 3 to 4 feet (0.9 to 1.2 meters). ‘Emerald Green’ thrives in full sun to partial shade, with a preference for at least six hours of direct sunlight per day. Its dense foliage of vibrant, emerald-green leaves provides an elegant and year-round privacy screen or windbreak in various landscape settings. (common name: arborvitae)