The National Council of State Garden Clubs:  http://www.gardenclub.org

Includes an events listing, articles on subjects of interest to gardeners, and links to other gardening organizations.

The Garden Gate:  http://www.prairienet.org/ag/garden

Karen Fletcher greets the web traveler with a lovely home page and excellent links to explore.

The Edsel and Eleanor Ford House and Gardens:  http://www.fordhouse.org