Tips and gardening strategies for plants during different seasons (spring, summer, fall, winter). Some articles require the Adobe Reader. Other articles and tutorials exist at this website (and some of those require paid registration).
"Provides resources for homeowners, schools, community groups, and other "non-commercial" groups that are interested in growing food and flowers, attracting wildlife, and being good stewards of the natural world. Many Cornell resources meant for commercial lawn and farm situations have been adapted here for the "backyard" enthusiast." From Cornell University. See also: Cornell Fruit for home fruit / fruit tree plantings and information for commercial growers.
Articles, images, and more from About.com. Sections include: How to Start Seeds Indoors, Start a Vegetable Garden, Become an Organic Gardener, Garden Design Basics, A - Z Plants.
Downloadble guides (most in Adobe Reader PDF format). Learn about basil, garlic, oregano, and more. From The Herb Society of America. See also their Essential Guide to The Beginner's Herb Garden page.
"View Federal and state noxious weed lists, an invasive plant list, or an introduced plant list, each with links to more information." From the United States Department of Agriculture (USDA).
Enter your zip code and then search using common names or scientific names of plants. Narrow the search by type, moisture, light and height, color, season, soil type, and more.
Includes: Gardening Calendar, Recommended Plants, How-To Guides, Gardening Tips, FAQ (Frequently Asked Questions), Fact Sheets, What's in Flower, Living Collections, 1000 Plants To Know (in PDF format: view with Adobe Reader).
Includes: Best Planting Dates for Seeds, Best Dates to Start Transplants, Plant Guides (Herbs, Vegetables, Fruit, Flowers, Bulbs, Roses, Shrubs, Houseplants), Frost Dates, Hardiness Zone Maps, a Gardening Blog and more.
"Arborday.org offers detailed information on dozens of commonly planted landscape trees that grow throughout the United States. Here you will find information on height and spread, soil and sun requirements, leaves and fruit, history, wildlife habitat, and more." Browse or search this database. Other sections include:, Glossary of Tree Terms, Layers of the Forest, Tree Classification, Types of Swamps, Anatomy of a Tree, Tree Health Guide.
"[A] list of the brochures by category. Selecting the title will link you to the web version of the brochures." From the International Society of Arboriculture.
Localized advisories for gardeners. Includes: Gardener's Local Forecast, Garden Care Calendar, Greenthumb Gazette, Essential Planting Guides. From The Weather Channel.