The Grace Hay Memorial Rose Bowl is awarded for the Best Exhibit amongst Section 1 Pot Plants, Section 2 Cut Flowers and Section 3 Vegetables at the Annual Show.
The winners of the Grace Hay Memorial Rose Bowl are listed below from 2003 onwards.
| Year | Grace Hay Memorial Rosebowl |
| 2026 | Sue Simpson |
| 2025 | J Mackenzie |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | ~ no Garden Show ~ |
| 2020 | ~ no Garden Show ~ |
| 2019 | Don Manson |
| 2018 | Liam Bain |
| 2017 | Liam Bain |
| 2016 | Ruth Shallcross |
| 2015 | Yvonne Morris |
| 2014 | I Coghill |
| 2013 | M Sutherland |
| 2012 | F Macpherson |
| 2011 | I Coghill |
| 2010 | Donald M Mackenzie |
| 2009 | Ruth Shallcross |
| 2008 | Ruth Shallcross |
| 2007 | Donald M Mackenzie |
| 2006 | F C Macpherson |
| 2005 | Donald M Mackenzie |
| 2004 | I Coghill |
| 2003 | F C Macpherson |