Austin Bonsai Society: Calendar of events, local bonsai resources, membership information and application.
Austin Cactus and Succulent Society: Includes meeting and membership information.
Austin Fern and Cycad Society: Includes meeting and membership information.
Austin Herb Society: Encourages the growth and use of herbs, educates the public regarding the benefits of herbs, and provides support to community gardens and libraries. Site includes newsletters, calendar of events, and a list of sponsors.
Austin Organic Gardeners: Membership and meeting schedule, listing of local farmer's markets and growers, Austin area planting guide, and organic gardening news and information.
Garden Club of Austin: Primarily a charitable, scientific, and educational organization. Site includes meeting schedule, a list of activities, and membership information.
Native Plant Society of Texas: Austin Chapter: Promotes the conservation, research, and utilization of the native plants and plant habitats of Texas through education, outreach, and example. Includes a list of projects, mailing list, volunteer opportunities, and a mailing list.
South Austin Community Garden: Located in South Austin at the Salvation Army Community Center. Site includes map, meeting times, and an overview of the garden's projects and organic policy.
Sustainable Food Center: Local organic gardening news, educational programs, composting classes, volunteer possibilities and gardening tips.
The Green Corn Project: Non-profit organization that builds organic food gardens at the homes of Austin residents. Includes newsletters, how to get involved, and a list of resources.
The Texas State Bonsai Exhibit: Includes information about the project as well as ways to help, a newsletter, and contact details.
Useful Wild Plants: Organization working on an encyclopedia of botany and requesting help from the public. Includes membership information, a quiz about plants, volunteer opportunities, and a newsletter.