All Links below are External:

American Public Gardens Association

Ancaster Horticultural Society

Burlington Horticultural Society

Canadian Iris Society

Canadian Orchid Congress

Canadian Peony Society

Canadian Rose Society

Credit Valley Horticultural Society

Hamilton and District Chrysanthemum and Dahlia Society

International Lilac Society

International Plant Propagators Society

Landscape Ontario Horticultural Trades Association

London Horticultual Society

Master Gardeners of Ontario

Mount Hamilton Horticultural Society

Oakville Horticultural Society

Ontario Daylily Society

Ontario Horticultural Association

Ontario Regional Lily Society
The Ontario Regional Lily Society (ORLS) sponsors four major events each year. The highlight of our season is the annual lily show featuring blooming lily stems and decorative displays featuring lilies. It is held at Royal Botanical Gardens at the beginning of July each year. See www.orls.ca for details of dates and times.

Ontario Rock Garden and Hardy Plant Society

Greater Toronto Water Garden and Horticultural Society

Orchid Society of Royal Botanical Gardens

Rhododendron Society of Canada—Niagara Region

St. Marys Horticultural Society

Stoney Creek Garden Club & Horticultural Society

Sunnycrest Garden Circle

Toronto African Violet Society

Toronto Cactus & Succulent Club

The Horticultural Societies of Parkdale and Toronto

Wm. Saunders Rose Society