| Organization / Program Name(s) | Located In |
|---|---|
| Kirkton Horticultural Society, Kirkton-Woodham Community Centre | West Perth |
| Seaforth & District Horticultural Society | Huron East |
| St Marys Horticultural Society, St Marys Legion Hall | St Marys |
| Stratford & District Horticultural Society, GardenStratford | Stratford |
| Stratford and Area Master Gardeners, No Physical Address | Stratford |