Supplier of Sod, Soil and Turf Grass - Greenhorizons Sod Farms - Hamilton, Cambridge, London, Oakville, Niagara Greenhorizons Sod Farms is a producer and supplier of sustainable sod, soil and turf grass in Ontario. Our brands range from LEED accredited turf grass blends to IPM produced specialty turf grass for the golf industry and cutting-edge natural sports turf pitch systems.