The Royal Horticultural Society - Aims to encourage the science, art and practice of horticulture; site provides information about its shows, an online shop, an interactive plant finder, a guide to gardens and activities around the country. National Allotment & Leisure Garden Society - NSALG is a UK nonprofit group aiming to minimise the loss of gardens for individual use. Community Composting Network - Provides advice and support to community composting projects across the UK National Vegetable Society (UK) - A contact point for all vegetable gardeners and allotment holders in the United Kingdom, who have an interest in competitions or shows. Information on membership, organisation and activities. National Trust for Scotland - Guardian of Scotland's historic, architectural and natural heritage. The National Trust - Portfolio includes a number of historic gardens and landscapes, in England, Wales and Northern Ireland. Includes visitor detail on most of these, and websites for the principal gardens. Permaculture Association - Supports people and projects through training, networking and research, using the ethics and principles of 'permanent agriculture'. The North of England Horticultural Society - Information about the shows and exhibitions organised by the Harrogate-based society. Japanese Garden Society - Seeks to bring together those who are interested in Japanese-style gardens. Includes society history, upcoming events, and membership information.