Categories
- Alpine Garden Society
- Botanical Society of Britain & Ireland
- Botanical Society of Scotland
- British Cactus and Succulent Society (BCSS)
- British Clematis Society
- British Fuchsia Society, The
- British Iris Society
- British Orchid Council
- Carnivorous Plant Society, The
- Federation of British Bonsai Societies
- Hardy Plant Society
- Japanese Garden Society
- National Association of Flower Arrangement Societies
- National Auricula & Primula Society
- National Dahlia Society
- Orchid Society of Great Britain, The
- Orchid Study Group
- Plant Heritage
- Plantlife
- Rose Society of Wales
- Scottish Rock Garden Club
- Wild Flower Society, The