For business strategies, operational tips and horticultural data, turn to these green industry associations:

• Virginia Tech's Spanish for the Green Industry
• American Society of Landscape Architects
• American Nursery and Landscape Association
• American Society of Consulting Arborists
• The Professional Landcare Network (PLANET)
• Association of Professional Landscape Designers
• The International Society of Arboriculture
• Tree Care Industry Association
• The Irrigation Association
• Maryland Green Industry Council (MaGIC)
• Snow & Ice Management Association
• Interlocking Concrete Pavement Institute
• Perennial Plant Association