- Arlington Organic Garden Club
- Information about organic gardening, for North Texas and around the country.
- Canadian Organic Growers
- A national membership-based education and networking organization representing farmers, gardeners and consumers in all provinces.
- Maine Organic Farmers and Gardeners Association
- MOFGA, the oldest and largest state organic organization in the country, helps farmers and gardeners grow and sell organic food.
- Organic gardening weblog by Jane Perrone, British allotment gardener and newspaper editor. Information about what's growing, challenges, and lots of links.