| Mabee | Jim | Tillsonburg | Yes | GCO-design, Lily | | D 10 Tillsonburg HS |
| Hooper | Carolyn | Barrie | Yes | | | D 16 Barrie HS |
| Elliott | Dianne | Windham Centre | Yes | | | D 6 Delhi HS |
| Faulkner | Anne | Simcoe | Yes | | | D 6 Port Dover & Woodhouse HS |
| Meyer-Smith | Margaret | Cayuga | Yes | | | D 6 Haldimand HS |
| Smith | Dottie | Delhi | Yes | | | D 6 Delhi HS |
| Cameron | Mary | Burlington | Yes | RBG 2011 Hort, Rose | | |
| Matheson | Elizabeth | Stoney Creek | Other | RBG, Gco, and Rose | | Stoney Creek Garden & Hort |
| Culbert | Vicky | Goderich | Yes | OAAS Hort 2018 | | |
| Nivins | Sharon | Lucknow | Yes | | | D8 Lucknow HS |
| Freeman | Carol | Durham | Yes | | | D 8 Durham & District HS |
| Papineau | Susan | Durham | Yes | | | D 8 Durham & District HS |
| Baars | Joanna | Arthur | Yes | | | D 7 Grand Valley Horticultural Society |
| Bouma | Kathy | Fergus | Yes | | | |
| Takasaki | Myra | Waterloo | Yes | RGB-Hort | | |
| Smith | Mary A | Guelph | Other | GCO-Design | | |
| VanderHoek | Gail | Ripley | Yes | | | D 8 Ripley HS |
| Sangster | Pam | Hensall | Yes | | | |
| Price | Ruth | Kincardine | Yes | | | |
| Carson | Marie | Hanover | Yes | | | |
| Farrell | Fran | Ripley | Yes | | | D 8 Ripley HS |
| Middleton | Jan | Owen Sound | Other | GCO-design, RBG-hort | | D 8 Markdale DHS |
| Barratt | Bernice | Stratford | Yes | GCO-design | | D 10 Stratford DHS |
| Chute | Dian | Thorndale | Yes | | | |
| Innes | Anne | Embro | Yes | | | D 10 |
