Royal New Zealand Institute of Horticulture Encourage and improve horticulture in New Zealand.
Royal Forest and Bird Protection Society New Zealand's leading independent conservation organisation.
New Zealand Plant Conservation Network Vast amouts of information on NZ native plants.
New Zealand Arboriculture Association Promote the professional practice of arboriculture and the benefits of trees
Landscaping New Zealand Accredited landscape designers or landscape contractors
Hebe Society Promotes the cultivation and conservation of hebes and other New Zealand native plants.
Hidden Forest Primitive New Zealand plants. Fungi, lichens, slime moulds.
Bushman's Friend NZ Native Plants New Zealand native plants ID, photos and articles.
Other Organisations Around the World
Arena Flowers https://www.arenaflowers.com/features/flower-care/
The National Gardening Association http://www.garden.org/plantguide/
BBC Gardening guides.) http://www.bbc.co.uk/gardening/basics/techniques/houseplants_caring1.shtml
National Gardening Association http://www.garden.org/plantguide/