| British Pelargonium and Geranium Society: Includes details of local clubs, shows and events, publications. |
| Chiswick Horticultural Society: A member-run society for garden and allotment enthusiasts in Chiswick, which organises flower shows, visits and social events. The society has a trading hut where plants and supplies are sold at discounted prices. |
| Community Composting Network: Provides advice and support to community composting projects across the UK |
| Gardeners Club: A directory of all local and national gardening related clubs, societies and organisations in the UK. |
| Hampshire Clubs, Societies & Associations: list of gardening groups supported by Hampshire County Council |
| Japanese Garden Society: Seeks to bring together those who are interested in Japanese-style gardens. Includes society history, upcoming events, and membership information. |
| Morpeth and District Gardening Club: Our club is dedicated to all aspects of gardening, flowers , shrubs, vegetables, alpines, design, bulbs, lawns and more. We welcome all levels of gardeners from the expert to the beginner. |
| Nantwich Flower Club: Photo album, event listing and other member information from flower-arranging club. |
| National Allotment & Leisure Garden Society: NSALG is a UK nonprofit group aiming to minimise the loss of gardens for individual use. |
| National Association of Flower Arranging Societies: Teaching charity with around 1,500 flower clubs affiliated to 21 UK areas and 100,000 individual members offers listing of courses, events and publications. |
| National Trust for Scotland: Guardian of Scotland's historic, architectural and natural heritage. |
| 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. |
| Permaculture Association: Supports people and projects through training, networking and research, using the ethics and principles of 'permanent agriculture'. |
| Slinfold Horticultural Society: Promoting the knowledge, skill and practice of gardening, horticulture and floral art in Slinfold, Horsham, West Sussex. |
| The Avon Gardens Trust: An educational charity that aims to preserve, enhance and re-create for the enjoyment and education of the public parks and gardens in the former county of Avon. |
| 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. |
| The North of England Horticultural Society: Information about the shows and exhibitions organised by the Harrogate-based society. |
| 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. |
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