Cooperative Extension System Offices
USDA. National Institute of Food and Agriculture.
County extension office web sites and staff provide a wealth of knowledge for gardeners. Click on your state and then your county to find information for your location.
Community Garden Guide: Vegetable Garden Planning and Development (PDF | 310 KB)
USDA. NRCS. Rose Lake Plant Materials Center.
Discusses garden shape, size, preparation, and row orientation, and includes a chart listing vegetables, estimated pounds needed per person, row length to plant per person, yield per foot of row, and preservation data.
Organic Vegetable Gardening Techniques (PDF | 470 KB)
University of Missouri. Cooperative Extension Service.
Focuses on methods to improve and maintain soil in organic gardening. Discusses sources of organic matter, organic fertilizers and management of diseases, weeds and pests.
Vegetable Varieties for Gardeners
Cornell University. Cornell Cooperative Extension. Cornell Garden-Based Learning Institute.
Lists varieties by crop; gives brief description, days to maturity, and gardeners' rating of that variety. Registered users (free) also have the option to limit results by state or frost-free season.
Starting Vegetable Seeds Indoors (PDF | 97 KB)
Rutgers, the State University of New Jersey. Rutgers Cooperative Research & Extension.
Gives general guidance and has tables on making a simple plant growing mix; types of containers for starting the seedlings; and recommendations for particular vegetables.
Container Vegetable Gardening: Healthy Harvest from Small Spaces (PDF | 485 KB)
Maryland Cooperative Extension. Home and Garden Information Center.
Includes a bibliography and list of suppliers' web sites.
Books on Vegetable Gardening
USDA. National Agricultural Library.
Searches for books in the NAL Catalog (AGRICOLA) on vegetable gardening.
Gardening Articles: Edibles:: Vegetables
National Gardening Association.
Provides a search box in which words can be entered to retrieve articles on the topic of choice.