Emory Knoll Farms is the only nursery in the U.S. dedicated solely to the propagation of plants for the green roof industry. Their wholesale nursery has been in operation since 1998, and their green roof plant business became incorporated in 2004. The first nursery in North America to focus on green roof plants, Emory Knoll Farms has been the nation’s leading supplier of plants and plant expertise for extensive green roof systems since 2000. They have significant first-hand experience working with a variety of roofing systems, soil mixes, manufacturers & designers, and climates.