| Cranston | Anne | Bruce Mines | Yes | | | |
| Croce | Silvana | Stouffville | Other | GCO-design, RBG-hort. & Rose | | |
| Culbert | Vicky | Goderich | Yes | OAAS Hort 2018 | | |
| Decker | Marie | Oakville | Yes | GCO-design, RBG-hort & Rose | | |
| Eley | Ursula | Toronto | Yes | GCO-design, RBG-hort | | D 5 Greater Toronto Bulb Society |
| Ellenor | Sandy | Belle River | Yes | | | |
| Ellerton | Angelique | London | Yes | GCO-design | | |
| Elliott | Dianne | Windham Centre | Yes | | | D 6 Delhi HS |
| Erdman | Michael | Toronto | Other | GCO-design, RBG-hort, Rose Judge | | D 5 Greater Toronto Bulb Society |
| Faber-Rowlands | Cathy | Etobicoke | Other | GCO-design, RBG-hort | | D 15 Etobicoke HS |
| Farrell | Fran | Ripley | Yes | | | D 8 Ripley HS |
| Faulkner | Anne | Simcoe | Yes | | | D 6 Port Dover & Woodhouse HS |
| Fine | Judy | Nepean | Yes | GCO-Design | | |
| Forth | Lucille | Bracebridge | Other | RBG-Hort | | Bracebridge/Gerogetown/Guelph |
| Foster | Debi | Oshawa | Yes | | | D17 Oshawa Garden Club |
| Freeman | Carol | Durham | Yes | | | D 8 Durham & District HS |
| Gabany | Suzi | Port Hope | Yes | | | D 4 Port Hope Garden Club |
| Garner | Sharon | Brantford | Yes | | | D 6 Brantford Garden Club |
| Gillespie | Ainsley | Beaverton | Yes | | | |
| Goff | Michelle | Guelph | Yes | RGB-Hort, Rose, OAAS-Hort | | |
| Gordon | Wale Shamonda | Rockwood | Yes | | | |
| Hajdu | Barb | Thunder Bay | Yes | | | |
| Halpenny | Helen | Almonte | Yes | RGB-hort, GCO-design | | D 2 Almonte HS |
| Hamilton | Clarinda | Barrie | Yes | | | D16 Barrie HS |
| Harbord | Anne | Ashton | Yes | GCO-Design, RBG-Hort, Rose and Lily | - All Districts
- D01
- D02
- D03
- D04
- D05
- D06
- D07
- D08
- D09
- D10
- D11
- D12
- D13
- D14
- D15
- D16
- D17
- D18
- D19
| Carleton Place and District HS |
