| University of South Carolina Herbarium | Free, fast plant identifications provided by the University of South Carolina Herbarium. Identifications can be made from herbarium specimens, fresh material, or jpg images. ("Ask Plantman!") |
| Università di Trieste Vascular Plant Keys | Brush up on your Italian and enjoy these guides to identification of vascular plants in Northern Italy. They may be of interest outside Italy,, since most species are illustrated by drawings and pictures. |
| About Greenhouses.com | Answering all of your greenhouse questions; web resources indexed by subject, books, and expert advise available online |
| Aggie Horticulture | Information server of the Texas Horticulture Program, Texas A&M, combining information from the teaching, research and extension programs |
| All About Flowers (Source: Florist Directory) | Great information source about many common flowers |
| Avant-Gardening: Creative Organic Gardening | How-tos for sustainable organic gardening |
| Bonsai Boy of NY | Bonsai FAQs available |
| Bonsai Outlet | Excellent information section at this site concerning bonsai |
| The Cactus and Succulent Plant Mall | Resource to all growers of cacti and succulent plants |
| Clean Air Gardening | Advice concerning lawns and gardens |
| Drosera | Urban ecology (featuring NYC); listings of invasive plants; promotion of native plants |
| eGardenBridges.com | Helpful information about garden bridges and maintenance |
| emilycompost.com | An Internet plot with a garden of information |
| EveryRose | Rose reference database |
| FloraOrganica.com | Emphasis on organic gardening and products |
| Flower Framers | Good information in the FAQs about the use of window boxes |
| Flower Gardening Made Easy | A guide to creating a long-blooming flower garden: Information and tips on flower gardening, annuals, flower bulbs, perennials, ornamental grasses, shade gardening, and garden care and design. |
| Flower Tending | Detailed information on flower growing, flower arranging and flower care, taking you step by step through each phase |
| Gardeners Guide to the Internet | A great number of resources for gardeners can be found at this site |
| The Gardener's Network | Useful information gardening site |
| Gardeness Gardens | Hints, tips and guidelines for trading daylilies |
| The Garden Gate | Collection of links to horticultural sites around the world |
| Gardening Answers | Just what it says from the UK |
| Gardening in the Cabbage Patch | Collection of articles about gardening in in the sub-Arctic |
| The Green Gardener | For the "relatively inexperienced" gardeners |
| Grow'Em Plant Propagation Database | The Grow'Em database describes the propagation of over 1000 plant species from seeds, cuttings, layerings, etc. Composting techniques and fertilizers, growth media and lighting are presented in detail, as are foliar feeding, planting bare-root specimens, floating row covers, grafting techniques, etc. |
| Guide for Gardening | Find indoor and outdoor gardening tips, organic gardening, tools, plants and flower gardening guides, gardening help and garden pests. |
| Heirloom Tomatoes | Growing instructions |
| HortSource.com | Horticultural resources for the gardening public and for members of the trades |
| I Can Garden | Canadian gardening site with information and links |
| JustGardeners | General web site with information for gardeners of all levels |
| Lewis Gardens | Great information about gardening in general and more specifically about perennials |
| Mark's Garden | Over 10,000 gardening questions answered; brought to you by Canadian gardening expert, Mark Cullen |
| Michaels Premier Roses | Growing Tips - great section on rose maintenance |
| MYeFlora | Complete garden resource and community; a channel for all gardeners to come together to share knowledge and information for the benefit of other gardeners. |
| My-Garden-Supplies.com | Tips and articles on a variety of garden topics |
| Nature Hills Nursery Q & A | Question and Answer section of this nursery site gives excellent help for plant problems. |
| Northern Gardening | Articles and news about gardening in northern climates, especially Minnesota |
| Northscaping | Resource to gardeners and landscapers of the northern climates |
| NW Gardening | Gardening information for the area west of the Cascade Mountains |
| The Orchid Conservatory | A virtual gallery or conservatory of orchids |
| Penny's Tomatoes | Advice is offered on how to turn a $3 pack of seeds into tons of mouth watering tomatoes, organic gardening; interactive recipe section for sharing your favorite recipes. |
| Perry's Perennial Pages | Monthly updates on perennials |
| Plantcare.com | World's largest database on "How to Care For House Plants". Over 3,500 listings each displaying a page of care information with photos. |
| "The Plant Detective" Radio Show | Plant Detective Flora Delaterre informs public and community radio listeners about medicinal plants around the world on this 1.5-minute program from Montana Public Radio. |
| PlantOasis.com | A directory of houseplants and their care requirements, houseplant articles, and other resources |
| PlantSearch.com | The Gardening Magazine, Garden Questions, and Growing Guide are great resources from this Australian site. |
| Pumpkin Nook | All you have ever wanted (or not) about pumpkins |
| Rochester Gardening | Gardening in Upstate New York |
| Rosarian | Guess what - this site is devoted to roses |
| Satori Gardens: Gardening Tips & Resources | Information about selecting healthy plants and detecting potentially unhealthy ones, planting them correctly; pruning trees, shrubs, and other woody plants; and propagating new plants by various methods. |
| Steve's Web Site | Information
on growing Australian and Southern Africa native plants, native plants of the mid-Atlantic region and much more with slide shows, photos, and maps. |
| The Succulent Plant Page | Resource for all those interested in succulents |
| Sue Haywards Gardening Website | Of interest to fellow gardeners, horticulture students and anyone else with a passion for gardening, plants and nature |
| Terra Nova Nurseries | Information on plants grown through tissue culturing |
| The Tree Doctor | Everything you need to know about tree care |
| Tree Seed Germination | Germination guidelines and basic tips and techniques for germinating tree seeds |
| thewisegardener.com | Information about tropical and subtropical gardening |
| WebGarden | Student projects with important gardening topics and other great resources |
| Weekend Gardener | Practical horticulture for busy people |
| Wildflowers | Links to information about wildflowers on GardenWeb |
| Yard & Garden Solutions | Answers to your horticultural questions |