Founded in 1929, Sun Gro Horticulture Canada Ltd. is one of the largest producers of horticultural grade peat and distributors of peat moss and peat and bark-based growing mixes. Located in Pine Bluff, Ark., the company sells its products primarily to professional greenhouse, nursery and specialty crop growers throughout North America, as well as to golf course developers and landscapers. Sun Gro Horticulture Canada Ltd. offers an array of horticultural and analytical services to its customers.