Founded in 1929, Sun Gro Horticulture is a producer of horticultural growing media, such as peat, peat lite mixes and bark-based mixes. The company serves markets worldwide, including much of Central and South America, Asia, the Middle East and North America. Sun Gro s brands include Sunshine, Black Gold, Lakeland, Metro-Mix, Redi-earth, Alberta Rose and Nature s. Comprised of a network of nearly 15 production facilities throughout the United States and Canada, the company harvests Canadian sphagnum peat and operates bark-composting facilities. The company s Greenhouse Sun Gro offers organic mixes, with many products listed by the Organic Materials Review Institute. Sun Gro Horticulture is headquartered in Vancouver, British Columbia, and maintains a location in Bellevue, Wash.