The below is a list of all current member gardens. If your garden is not listed but you would like it to be, please email the IPSN coordinator Katherine O'Donnell (katherine.o'donnell@bgci.org):
- Acorn Bank, National Trust, UK
- Auckland Botanic Gardens, New Zealand
- Beijing (southern) Botanical Garden, China
- Bicton Park Botanical Gardens, UK
- Botanic Garden Meise, Belgium
- Botanischer Garten der Universitat Potsdam, Germany
- Charles University Botanic Garden (Botanicka zahrada University Karlovy), Prague
- Christchurch Botanic Gardens, New Zealand
- Core Facility Botanical Garden, Vienna, Austria
- Department of planting design and maintenance, Slovakia
- Dorothy Clive Garden, UK
- Dunedin Botanic Gardens, New Zealand
- The Eden Project, UK
- Helsinki University Botanic Garden, Finland
- Institute of Dendrology of Azerbaijan National Academy of Sciences
- Jardí Botànic Lleida (AJBLL), Spain
- John F Kennedy Arboretum, Ireland
- Marwell Zoo, UK
- Masaryk University Faculty of Science Botanical Garden, Czech Republic
- Melbourne Royal Botanic Gardens, Australia
- Mlyňany Arboretum SAS, Slovakia
- Museo Orto Botanico di Roma, Italy
- National Botanical Garden of Georgia, Georgia
- National Botanic Gardens, Glasnevin, Ireland
- Orto Botanico dell`Univerita della Tuscia, Italy
- Palacký University Botanical Garden, Czech Republic
- Real Jardín Botánico Juan Carlos I, Spain
- Royal Botanic Gardens Edinburgh, UK
- Royal Botanic Gardens Kew, UK
- Royal Botanic Gardens Sydney, Australia
- Royal Horticultural Society's Garden Wisley, UK
- Shanghai Botanical Gardens, China
- Shanghai Chenshan Botanical Garden, China
- Shenzhen Fairy Lakes Botanical Gardens, China
- Sizergh Castle, National Trust, UK
- South China Botanical Garden, China
- Stellenbosch University Botanical Gardens, South Africa
- Wellington Botanic Gardens, New Zealand
- The University Botanical Gardens, Samarkand State University, Uzbekistan
- The Yorkshire Arboretum, UK
- Xiamen Botanical Garden, China