AccessMyLibrary provides FREE access to millions of articles from top publications available through your library.
To select the right plants for your yard, learn to use the Plant Hardiness Zone Map.
Not all of your most useful gardening tools are out in the garage along with your rakes, hoes and shovels, One is probably inside your home in the back of a gardening book--the Plant Hardiness Zone Map.
The first zone map was published in the USA in the 1930s. It was revised in 1965 and again in 1990.
Today's hardiness zone map has eleven different temperature zones. (If you have a zone map with only 10 zones, it's an …