Maintain plants and seeds inventory, discuss gardening, and trade seeds and plants with fellow gardeners. Many features are only available to paying members, some also to the general public.

Community of gardening enthusiasts sharing tips, advice, experiences, and knowledge covering many aspects of gardening.

A discussion forum for the home gardener. Members provide helpful answers for home gardening questions in a number of topics.

Community of gardeners offering a wide range of resources. Forums on a large variety of general and specialized topics, glossary of botanical terms, seed exchange, and plant directory.

Message board for communing with other gardeners. Includes a butterfly garden guide, weed identifier, and e-cards.

Forum for general discussion of gardening questions.

Discussion forums on several gardening topics, as well as a few home improvement topics.

Offers a young fresh twist on gardening information, tips and articles. Discussion forums and archives available.

Online gardening club that offers members-only forums, gardening resources, and monthly newsletter. Paid membership.

Lively community of gardening enthusiasts, forums, plant and seed swaps, articles, gardening tips, and photographs.

Worldwide community chats via an e-mail mailing list on a wide variety of topics including gardening. Archives online available to members of the list.

A web front to several usenet newsgroups, covering general, regional, and water gardening topics. Threads are displayed forum-style. Posting requires registering with the site.

Forums and photo galleries covering many gardening topics, visited by an international audience. Archives of plant information.

Reviews on a range of flowers, plants, trees, and shrubs. Section for kids.

Offers planting tips, gardening history, forums, quotes, and a monthly newsletter.

Online community focused on gardening with a simplified-living bent. Forums, a few articles, links to extension services, and printable journals and logs.

Includes forums, articles, catalog reviews, and a plant and seed swap area.

Maintains archives of about 30 gardening-related mailing lists, with a link to archives of additional now defunct lists.

Friendly meeting place for home gardeners, mostly from the Northern half of the US. Photo galleries, message board, and lots of links to gardening resources.

Garden resource site with articles, tips and links about many indoor and outdoor gardening topics, forums, and exchanges.

Discussions on various gardening topics.

Directory of gardening topics available at this resource site. Each topic is written by a different regular editor.

This site focuses on daylilies, providing articles on their cultivation and hybridization, as well as an extensive database. Also provides discussions of some other flowers and vegetables. Most of the action is in the many forums.

Offers specialty forums on daylilies, hostas, and irises.

Information resources, e-zine, forums, and links of interest to Northern gardeners and landscapers (USDA hardiness zones 1-5). Includes a landscape plant search, articles, climatic data, and business locators.

Online community of friends and gardeners, sharing experiences, plants, and seeds.

The treehouse forum at this group features friendly discussion of various gardening topics. Also includes links to worthwhile gardening resources, and members' photo albums. Must join group (free) to read and participate.

Christian gardening and homesteading site, offering forums, gardening information, and links to other resources.

Family-friendly site offering gardening forums, members photo albums, and member-contributed links.

Discussion forums, garden journals and photo galleries, with topics including tours, plant identification, roses, and chat.