American Hosta Society

American Nursery and Landscape Association (ANLA)

Buckeye Gardening

Canadian Ornamental Plant Foundation (COPF)

Columbus Landscape Association (CLA)

Herb Society of America (HSA)

International Herb Association (IHA)

Internationale Stauden-Union (ISU)

Ohio Nursery and Landscape Association (ONLA)

Ohio Proud

Perennial Plant Association (PPA)

Society of American Florists (SAF)