Easy to Do-It-Yourself: Great site for tutorials on gardening and landscaping issues plus much more. (www.easy2diy.com)
Missouri Botanical Garden Database
Purdue Extension Page (has lots of various information and tips on landscaping, vegetable, gardening, and locating your local County Extension Office)
The National Gardening Association: Find plant and gardening information as well as purchase plants.
Google: Click on images and type in the name of the plant you are looking for. Google will give you hundreds of pictures to view of the specific plant…it’s the fastest way to see a picture of a plant you’re looking for.