Gardening Organizations in United States

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• Regional: United States: Society and Culture 

• America in Bloom  - Nonprofit organization uses this web site to promote beautification programs and community involvement throughout the United States.
• Association of Floriculture Professionals  - Coalition of greenhouse growers, garden center operators, interior plantscapers, and other related professionals. Site provides information on activities and membership.
• Deep South Region  - Encloses information on humanity landscape projects, historic gardens or trails, natural resources, horticulture and design.
• Ecological Landscaping Association  - Contains a downloadable copy of the current brochure and registration form.
• The Garden Club of America  - Official site of a group that aims to stimulate the knowledge and love of gardening.
• Gesneriad Society  - Covers facts about the nature and family of gesneriad as well as details for growing and caring.
• Hardy Plant Society/Mid-Atlantic Group  - Conducts lectures and seminars. Includes articles on summer bulbs.
• Iowa State Horticultural Society  - Organization founded to promote and encourage horticulture and other related interests in Iowa.
• Massachusetts Horticultural Society  - Nonprofit statewide organization maintains this site, which is meant to encourage the science and practice of horticulture.
• Memphis Garden Club  - Not-for-profit group founded to advance and encourage the knowledge and practice of horticulture.
• Men's Garden Clubs Of America  - Holds information on local and national conventions. History and profiles of members provided.
• Nashua Garden Club  - Club's official website presents horticultural tips, newsletters, membership details, and information on programs and promotions.
• National Home Gardening Club  - Encloses gardening articles, garden shows, hardiness and heat zone maps.
• New England Botanical Club  - Presents bylaws, thumbnail history, guides on how to become a member, and schedule of meetings.
• Northern Plains Botanic Garden Society  - Displays atrium volunteer schedules, upcoming events, membership details, and forum news.
• Northland Garden Club  - Facilitates educational programs and networking to help gardeners of all levels. Site presents membership details along with gardening tips and resources.
• Oasis Botanical Sanctuary  - Highlights the mission of the organization. Also accepts donations.
• Pacific Region of National Garden Clubs  - Pacific Region is comprised of Washington, Arizona, California, Oregon, Nevada, Idaho, Alaska, and Hawaii.
• Your Garden Club  - Encloses information on aggressive plants, culinary herbs, composting, herbal gardening and remedies.