Get U.s. Department Of Agriculture Plant Hardiness Zones 3 Through 9 Pictures. Department of agriculture plant hardiness zones 9a and b reach across the nation's southern section. Some native plant families span the full range of zone 9 states, often.
Hardiness zones are geographical area in which a given category of plants are able to grow and survive. Usda plant hardiness zone map. Hardiness zones, gardening zones, growing zones and plant zones refer to defined geographic regions that can support specific plants, flowers and trees.
National arboretum at that time.
View our usda plant hardiness zone map and find your zone. Hardiness zones are based on the average annual minimum temperature in a given area. Each growing zone is 10°f warmer what are the plant hardyness zones? The 2012 usda plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.