A Gardener's Forum
Active gardening forum with members from around the world.
Ask an Arborist
A forum for asking for advice on the care of trees, principally with a UK focus.
Community of gardening enthusiasts with forums, plant and seed swaps, articles, gardening tips, and photographs.
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.
Garden World Discussions
A friendly and knowledgeable community of gardeners, happy to share their experience with those new to gardening.
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.
Hosts forums, garden exchanges, articles, contests and a plant database.
Ask questions or find answers on gardening related topics.
Grows on You
A free social network for gardeners that provides photo upload, gardening weblog and a feature to list plants.
Online community focused on gardening with a simplified-living bent. Forums, a few articles, links to extension services, and printable journals and logs.
Hort.net: Archived Active Horticultural Mailing Lists
Maintains archives of about 30 gardening-related mailing lists, with a link to archives of additional now defunct lists.
I Can Garden
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.
Moosey's Country Garden Forums
Discussion forums, garden journals and photo galleries, with topics including tours, plant identification, roses, and chat.
The Green Thumb Alliance
Message board with topics on growing and caring for plants, seedsaving and -starting, and greenhouses.
The Helpful Gardener: Garden Forum
A discussion forum for the home gardener. Members provide helpful answers for home gardening questions in a number of topics.
UKY Listserv: Gardens & Gardening
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.
You Grow Girl
Offers a young fresh twist on gardening information, tips and articles. Discussion forums and archives available.