| Name | City | OHA Cert | Other Cert | Districts | OHA Home Society: |
|---|---|---|---|---|---|
| Cliff Byrnes | Gananogue | Other | RBG-hort, GCO-design |
| D 3 Gananogue HS |
| Elaine Collins | Gananoque | Yes | GCO-design |
| D 3 Gananoque HS |
| Lil Taggart | Georgetown | Yes |
| D 6 Georgetown HS | |
| Carole Koch | Gloucester | Yes |
| D 2 Nepean HS | |
| Vicky Culbert | Goderich | Yes | OAAS Hort 2018 |
| Goderich and Disrtict HS D8 |
| Nancy Tibbles | Goulais River | Yes |
| D 13 Sault Ste. Marie HS | |
| Patricia Harlton | Granton | Yes |
| D 10 Kirkton HS | |
| Linda Hodgins | Granton | Yes |
| D 10 Kirkton HS | |
| Julie Riddell | Granton | Yes |
| D 10 Kirkton HS | |
| Iris Waung | Greely | Other | GCO-design, RBG-hort |
| D 2 Ottawa HS |
| Lillie Haworth | Grimsby | Other | GCO-design, RBG-hort |
| D 9 Grimsby Garden Club |
| Jane McDonald | Guelph | Yes |
| D 7 Guelph Township HS | |
| Michelle Goff | Guelph | Yes |
| Fergus D7 | |
| Mary A Smith | Guelph | Other | GCO-Design |
| Guelph HS D7 |
| Mary A Smith | Guelph | Yes | GCO-Design |
| D7 Guelph HS |
| Sandi Remedios | Hamilton | Yes |
| D 6 Burlington HS | |
| Connie Bijl | Hamilton | Other | RBG-hort, GCO-design, AAS-Oseed |
| D 6 Burlington HS |
| Marie Carson | Hanover | Yes |
| D 8 Hanover HS | |
| Pam Sangster | Hensall | Yes |
| D 8 Hensall HS | |
| Linda Yeoman | Ingersoll | Yes |
| D 10 Woodstock HS | |
| Eveline Teras | Innisfil | Yes |
| D 16 Innisfil Garden Club | |
| Kathleen Lang | Jasper | Yes | GCO-design, RBG-hort |
| D 2 |
| Penny Stewart | Joyceville | Yes | RBG-Hort GCO-Design |
| D 3 Gananoque HS |
| Ruth Price | Kincardine | Yes |
| D8 Teeswater HS | |
| Diane Huddle | Kingston | Yes |
| D 3 Collins Bay HS | |
| Name | City | OHA Cert | Other Cert | Districts | OHA Home Society: |
