United States
African Violet Society of America
Presenting information about growing, showing and propagating African violets and other gesnariads.
American Association of Amateur Arborists
A loose association of individuals and groups who are interested in learning more about trees and other woody plants
American Association of Botanical Gardens and Arboreta
Supporting the public horticulture community in its mission to study, display, and conserve plants.
American Bamboo Society
Offers information about bamboo including a species source list, a list of international bamboo societies, information on climate anc growing zones.
American Conifer Society
Information on the more than five hundred species of conifers distributed around the world.
American Gloxinia and Gesneriad Society
Offers culture information, membership benefits, resources, photos and flower show and sales schedules.
American Horticultural Society
The AHS mission is to educate and inspire people to become successful and environmentally responsible gardeners by advancing the art and science of horticulture.
American Society of Landscape Architects
Founded in 1899, the society has twelve thousand members. Includes a buyers guide on landscape information.
Cycad Society
Education and conservation of Cycads, rare and unusual gymnosperm plants. Quarterly newsletter and a seed bank available to members.
Deep South Region of National Garden Clubs, Inc.
Information about Federated Garden Clubs and their projects in the states of Alabama, Florida, Georgia, Louisiana, Mississippi and Tennessee.
Gardening Organizations and Associations
Information on events, newsletter, tips, children's projects, and gardening information.
Hardy Plant Society Mid Atlantic Group
Gardening society centered around the Philadelphia area. Brief information and membership signup form.
Heartland Peony Society
Educational information on peonies and specific information on the society in the US midwest.
Holly Society of America
Provides an information exchange through scientific studies, publications, lectures, meetings, and visiting holly collections.
National Capital Area Federation of Garden Clubs, Inc.
Washington-area chapter of the National Garden Clubs, representing over a hundred area clubs. Provides membership information, news, event calendar, and links to local gardening gr…
National Garden Clubs
Provides education, resources and national networking opportunities for its members to promote gardening and floral design. Includes calendar of events, educational opportunities a…
National Gardening Association
A non-profit organization offering National Gardening Magazine, educational and youth programs, gardening products, books, research, online content and showcases, and a gardeners b…
National Home Gardening Club
Member-oriented site for this United States gardeners' club, providing access to bulletin boards, members' photos, articles from the magazine, and member benefits.
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