These organizations give classes and courses in sustainable landscaping practices:

Please let us know if you hear about other organization who offer these types of courses, so we can add them to the list.

California

Re Scape

Connecticut

NOFA Northeast Organic Farming Association

Illinois

ILCA Illinois Landscape Contractors Association

Kansas

KC NPI Kansas City Native Plant Initiative

Massachusetts

ELA Ecological Landscape Alliance

New York

The Native Plant Center. Westchester Community College

Virginia, Maryland, Pennsylvania, and the District of Columbia

Chesapeake Bay Landscape Professional

Washington State

Eco Pro Sustainable Landscape Professional – Seattle