2 Lazy2P Alpine Research Gardens: Gardening with exotic plants in Colorado. Successful trial plants, techniques, and resources.
Arid Southwest Gardening Information: Information on personal, community, and commercial gardening from the College of Agriculture and Life Sciences at the University of Arizona.
CSFS Montrose District - Urban forests: Community forests and urban tree care for western Colorado.
Delaware Center for Horticulture: Non-profit horticultural resource organization dedicated to promoting knowledge and appreciation of gardening and conservation, using educational programs for all ages, community gardens, and public landscaping.
Dixie Gardener: Information about gardening in the arid region of Southern Utah, from the Utah State Extension. General gardening topics, local rainfall information and master gardener courses.
Friendship Gardens: A light-hearted, regularly updated informative site for gardeners of all ages in the Great Lakes area and Florida, with event calendars, book reviews, recipes, and personal reflections.
Garden Calendar: A year-round schedule of garden activities customized for the central West Virginia zone.
Gardening in the South: A beginner's guide, including instructions and tips.
Gulf Coast Gardening: Provides tips, information, and links to suppliers and resources for Mississippi Gulf Coast gardeners.
How to Plant a Native Hawaiian Garden: Includes plant descriptions and sources, photographs, and cultivation information.
King County Noxious Weeds: Pictures and descriptions of weeds in King County, Washington.
Mid Atlantic Plantsman: A compendium of gardening information of value to gardeners in New Jersey, Pennsylvania, Maryland, Virginia, and West Virginia.
Midwest Plant Doctor: Gardening information, advice, and news for novice and experienced gardeners in the Midwest.
Oklahoma Gardening: Details and notes from the latest episodes of the television show.
Red River Valley Garden Club: Provides information about events and issues for gardeners in the Northern plains.
Rochester Gardening: Information for gardeners in Northeastern USA. Large list of links to garden and plant information throughout the WWW. Special interest page concerning bulbs.
Southern Oregon Gardening: Gardening questions answered for southern Oregon.
Southwest Gardening: Personal gardening accounts with photos and discussions.
Tulsa Garden Center: Meeting place for over 30 affiliated garden groups in the Tulsa area. The center offers educational opportunities, children's programs, a library, and is constructing a new Linnaeus garden. Articles, information about groups, activities, and membership.
Two Rainy Side Gardeners: Gardening in the Maritime Pacific Northwest.
UNL Educational Resource Guide: University of Nebraska Cooperative Extension provides a yard and garden educational resource for home, commercial and youth gardening enthusiasts. Information is considered most valid for residents of southeastern Nebraska.
Web Garden: Plant directory, weekly gardening news, site links and Ohio-based garden information.
WSU Master Gardener Library: Extensive collection of factsheets on gardening.