| | 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. |
| | Louisiana Nursery and Landscape Organization: Helpful Information for Homeowners - Collection of articles on plant and tree selection, care, and culture. |
| | 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. |
| | NWGarden.com - Offers Pacific Northwest regional gardening resource directories, a forum, plant and seed exchange, and events calendars. |
| | 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. |