Around 200 private gardens are listed. The National Gardens Scheme, a registered charity founded in 1927. Proceeds from entry fees support ten nursing, caring and educational charities. Over 3,500 gardens open for the Scheme annually. In 1999 thier work was extended to include public open spaces, parks and cemeteries.
Entry is free for members.
Non-members pay a small entry fee. Details of fees and openings are included in the Groene Gidds. This guide has details of private gardens belonging to members of the NTs, which are open exclusively to NTs members. It also includes a list of public gardens and 'green' events in the Netherland and Belgium. The guide is sent free to members of the NTs.