Us Department Of Agriculture Hardiness Zones

The original and most widely used system, developed by the united states department of agriculture (usda) as a rough guide for landscaping and gardening,. While about 80 million american gardeners, as well as those who grow and breed plants, are the largest users of the usda plant hardiness zone map, many others need this hardiness zone information. Keep in mind that there is often a major difference between what will grow in the a and b regions of each zone.

Planting zones or growing zones are illustrated on a map known as the usda plant hardiness zone map. In some systems other statistics are included in the calculations. Most of america can be found in zones 4 to 8, while central and southern florida make up zones 9 to 11.

The us department of agriculture divided out the map of the us in areas which range from planting zone 1a to planting zone 13b.

Department of agriculture (usda) plant hardiness zone map. Most of america can be found in zones 4 to 8, while central and southern florida make up zones 9 to 11. In some systems other statistics are included in the calculations. | feb 1, 2018 the usda plant hardiness zone map is the standard by which gardeners can determine which plants are most likely to thrive in a specific location.