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.

Gardeners in the U.S. share conversation, photos, and short articles on various gardening topics.

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

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.

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.

A free social network for gardeners that provides photo upload, gardening weblog and a feature to list plants.

Canadian gardening resource site by editor and Master Gardener, Donna Dawson. Includes a member's area, news, articles, book reviews, clubs, suppliers, pictures and links.

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

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