National Gardening Web Sites
Botanical Society of America
Site is exclusively dedicated to the promotion of botany. Membership info, events, Q&A sheets, and more
American Horticultural Society
The AHS is one of the oldest national gardening organizations in the country.
American Society of Landscape
Membership information, newsroom, employment opportunities, and more
An online plant encyclopedia listing annuals, perennials, etc.
Information on different gardening topics as well as guides to different plants
This Sierra Home site offers a plant encyclopedia, gardening tips, and design guides
Site provides a gardening search engine, horticultural forums, and message boards
National Gardening Association
Searchable library, gardening Q&A, access to articles in the National Gardening Magazine, and more.
Information about growing beautiful, healthy gardens organically
Perennial Plant Association
Professional trade association site includes a membership directory, events, and perennial plant of the year