American Rhododendron Society

American Society of Landscape Architects

Azalea Society of America

Herron School of Art

Holly Society of America

Indiana Chapter of the American Society of Landscape Architects

Indiana Nursery and Landscape Association

Indiana Native Plant and Wildflower Society

Indiana Professional Lawn and Landscape Association

Indiana Urban Forest Council

Indianapolis Art Center

Indianapolis Landscape Association

Indianapolis Museum of Art Horticultural Society

International Society of Arboriculture

Keep Indianapolis Beautiful, Inc.

Midwest Regional Turf Foundation

Perennial Plant Association