The James Gunn Memorial Trophy is awarded for the best rose.
The winners of the James Gunn Memorial Trophy are listed below from 1998 onwards.
| Year | James M Gunn Memorial Trophy |
| 2026 | Yvonne Morris |
| 2025 | Emily Sutherland |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | ~ no Garden Show ~ |
| 2020 | ~ no Garden Show ~ |
| 2019 | D Manson |
| 2018 | Angus Wares |
| 2017 | Margaret Alexander |
| 2016 | L Rollings |
| 2015 | L Bain |
| 2014 | C Macdonald |
| 2013 | F Macpherson |
| 2012 | R Shallcross |
| 2011 | M Sutherland |
| 2010 | A Wares |
| 2009 | F C Macpherson |
| 2008 | A Wares |
| 2007 | A Wares |
| 2006 | J Rosie |
| 2005 | P Spearing |
| 2004 | J R Macdonald |
| 2003 | F C Macpherson |
| 2002 | A Wares |
| 2001 | Jenny Allan |
| 2000 | F C Macpherson |
| 1999 | J Allan |
| 1998 | C Mackay |