American Nursery & Landscape Association - Membership organisation includes divisions for landscapers, nursery professionals, and providers of retail garden products and services.
Associated Landscape Contractors of America - Trade association for the landscape contracting industry offers an abundance of resources for professional members and non-members. Includes a database of landscaping contractors.
Georgia Turfgrass Foundation Trust - Learn about the environmental benefits of lawns, sport turf, and continuing research into new breeds and management techniques.
Irrigation & Green Industry Network - Online magazine for the professional landscape contractor, irrigation designer, golf course superintendent, landscape architect, nurseries and the green industry.
Turfgrass Producers International - Nonprofit corporation to assist in and encourage through research and education the improvement of lawns and sport turf.
