- 2008
- 2010
- 2011
- 2012
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2021
- 2022
- 2023
- Anagallis monelii
- Codonatanthus ‘Golden Tambourine’
- Dolichos lablab
- Gelsemium sempervirens
- Gloriosa superba
- Grevillea juniperina
- Ipomoea (syn Mina) lobata
- Lizabeth Leech
- Passiflora caerulea
- Passiflora suberosa
- Phaseolus coccineus
- Polygala myrtifolia var. Grandiflora
- Ruscus aculeatus (female)
- Spartium junceum
- Tropaeolum peregrinum
- ‘Painted Lady’