Tenants:
Horticultural Members:
- American Iris Society
- Canadian Chrysanthemum & Dahlia Society
- Canadian Iris Society
- Canadian Peony Society
- Canadian Rose Society
- East York Garden Club
- Greater Toronto Water Garden & Horticultural Society
- Ikebana International – Toronto Chapter
- Milton & District Horticultural Society
- Mycological Society
- North American Native Plant Society (formerly the Canadian Wildflower Society)
- North Toronto Horticultural Society
- Newmarket Horticultural Society
- Ontario Day Lily Society
- Ontario Delphinium Club
- Ontario Hosta Society
- Ontario Iris Society
- Ontario Rock Garden & Hardy Plant Society
- Society of Ontario Nut Growers
- Southern Ontario Orchid Society
- Toronto African Violet Society
- Toronto Bonsai Society
- Toronto Cactus and Succulent Club
- Toronto Gesneriad Society
- Toronto Herb Society
- Toronto Regional Rhododendrons & Horticultural Society
- Thornhill Garden and Horticultural Society
Please note that many of the organizations listed above meet as well as host their annual plant sales and shows at the Toronto Botanical Garden.
Affiliates and Partners:
- American Public Gardens Association
- Botanical Gardens Conservation International
- Canadian Gardening Museum
- Canadian Gardens and Tourism Conference
- Canadian Organic Growers
- City of Toronto
- LEAF (Local Enhancement & Appreciation of Forests)
- George Brown College
- Landscape Ontario
- Ontario Associaton of Landscape Architects
- Ontario Horticultural Association
- Ontario Urban Forest Council
- Royal Ontario Museum
- Ryerson University
- The Federation of Ontario Naturalists
- Toronto District School Board
- Toronto Field Naturalists
- Tourism Toronto
- Volunteer Canada
