• Dave's Garden: Trading - Registered members can enter have and want lists for plants and seeds, can search other members' lists, and keep track of active trades. Also trade forums, for paying members only.
• GardenHere - Internet community and forum for trading landscape plants. Also some articles on garden and plant tips.
• Gardenpassion - Seed trade site with searchable lists of varieties offered and sought, as well as tips on identification, seed collection, and storage.
• Gardenweb: Exchanges & Trading - Members post their offerings and wants on the forums (various plant and seed categories), and can also maintain exchange lists in their member profile.
• Plant Internet Directory - Allows the Australian public to list plants for sale and review listings from other gardeners.
• Seeds from Bulgaria - Trader with an extensive list of seeds, including fruit trees, vegetables, ornamental trees and shrubs, and flowers. Also a list of wanted seeds.
• SeedSwappers.com - Free site for seed trading and swapping by seed swapper enthusiasts. Also has hints and tips on home gardening.
• World Plant Exchange - Offers free offers and requests for plant and seed traders worldwide.

Help build the largest human-edited directory on the web. Submit a Site - Open Directory Project - Become an Editor