- Canadian Chrysanthemum & Dahlia Society
- Canadian Hemerocallis Society
- Canadian Iris Society
- Canadian Organic Growers Toronto
- Canadian Peony Society
- Canadian Rose Society
- Greater Toronto Rose & Garden Hort Society
- Greater Toronto Water Garden Society
- Mycological Society of Toronto
- North American Native Plant Society
- Ontario Daylily Society
- Ontario Hosta 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 & Succulent Club
- Toronto Iris Society
- Toronto Region Rhododendron & Hort Society
A noun. A verb. A blog.