Botanic Gardens Conservation International.
Works with over 100 member gardens and conservation organizations to raise awareness and scientific understanding of threatened plants in North America.
Home Gardening
American Horticultural Society.
Blends education, social responsibility, and environmental stewardship with the art and science of horticulture.
National Gardening Association.
Presents information on flowers, produce, and landscaping, with a searchable database of gardening articles, question-and-answer database, pest control library, plant care guides, weed identification information, zone finder, and more.
The University of Texas at Austin.
Presents extensive information and images on native plants, including information for eight regions native plant species.
University of Illinois at Urbana-Champaign. University of Illinois Extension. Urban Programs Resource Network.
Guides growing, storing and preparing a variety of vegetables; also in Spanish
Cornell University.
Covers site selection, soil preparation, planting, pruning and training, pest and disease management, and choosing varieties of tree fruits, grapes, and berries.
Cornell University.
Presents guides to 269 flowers and foliage plants, and allows user to enter characteristics and get suggested plants.
USDA. Agricultural Research Service.
Briefly describes the largest designed herb garden in North America.
United States Department of Agriculture.
Establishes network of local and national organizations working together to create gardens.
United States Department of Agriculture.
Lists public resources related to home gardening, nurseries, horticulture, composting, and landscaping.