| Barrie Garden Club, club de jardin de Barrie | Barrie |
| Elmvale and District Horticultural Society, Elmvale-John St, Société horticole d'Elmvale et district | Springwater |
| Huronia Rose Society, Société des Roses Huronia | Barrie |
| Midland Horticultural Society, Société horticole Midland | Midland |
| Orillia Horticultural Society | Orillia |
| Oro-Medonte Horticultural Society | Oro-Medonte |
| Painswick Horticultural Society, Mailing Address, Société horticole Painswick | Barrie |
| Penetanguishene Garden Club, Penetanguishene Memorial Arena, réunions seulement, club de jardinage de Penetanguishene | Penetanguishene |
| Stayner Horticultural Society, Société horticole Stayner | Clearview (Comté Simcoe) |