Stewart G.
| AOC no. | Date | Award | Plant |
| 7135 | 15.Aug.2024 | FCC/AOC 2024 (NSW) | Paphiopedilum rothschildianum 'Wirra Willa' |
| 4078 | 19.Sep.2009 | FCC/AOC 2009 (NSW) | Phalaenopsis lobbii 'Wirra Willa' |
| 4077 | 10.Sep.2009 | ACM/AOC 2009 (NSW) | Angraecum germinyanum 'Edna' |
| 3390 | 13.May.2005 | AM/AOC 2005 (NSW) | Aerangis citrata 'Wirra Willa |
| 2944 | 16.Jun.2002 | AM/AOC 2002 (NSW) | Phal. Best Girl 'Cremorne' |
| 2899 | 29.Oct.2001 | HCC/AOC 2001 (NSW) | Masd. Falcata 'Wirra Willa-Hot Spot' |