Blossom Swap
Lively community of gardening enthusiasts, forums, plant and seed swaps, articles, gardening tips, and photographs.
Dave's Garden
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.
Digital Raingardens: Gardening Questions and Answe
Forum for general discussion of gardening questions.
Garden Bed
Reviews on a range of flowers, plants, trees, and shrubs. Section for kids.
Garden Country
Message board for communing with other gardeners. Includes a butterfly garden guide, weed identifier, and e-cards.
Garden Stew
Discussion forums on a several gardening topics, as well as a few home improvement topics.
GardenBanter
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.
GardenBuddies.com
Forums and photo galleries covering many gardening topics, visited by an international audience. Archives of plant information.
GardenWeb
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.
GardenWeb Australia
Hosts forums, garden exchanges, articles, contests and a plant database.
Gay Gardener
Offers planting tips, gardening history, forums, quotes, and a monthly newsletter.
Happy Moose Gardening Forum
Offers specialty forums on daylilies, hostas, and irises.
Homestead Garden
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 Li
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.
International Home & Garden Club
Online gardening club that offers members-only forums, gardening resources, and monthly newsletter. Paid membership.
Just Gardeners
Includes forums, articles, catalog reviews, and a plant and seed swap area.
MSN Groups: Northern Gardening
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.
Northscaping
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.
Pittsburgh Post Gazette Bulletin Boards: Backyard
Discussions on various gardening topics.
Plantideas.com
Garden resource site with articles, tips and links about many indoor and outdoor gardening topics, forums, and exchanges.
PlantTraders
Online community of friends and gardeners, sharing experiences, plants, and seeds.
SeeMeGarden
Community of gardening enthusiasts sharing tips, advice, experiences, and knowledge covering many aspects of gardening.
Suite101.com: Gardening Community
Directory of gardening topics available at this resource site. Each topic is written by a different regular editor.
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.
Tinker's Gardens
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.
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.