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View the new 2023 California Hardiness Zone Map. Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of California which ranges from USDA Zone 4b to USDA Zone 11a.
19 sie 2004 · The U.S.D.A. maps tell you only where a plant may survive the winter; our climate zone maps let you see where that plant will thrive year-round. For more information, consult Sunset‘s National Garden Book and Western Garden Book. Climate Zone 1: The Coldest Winters
The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones.
Sunset’s climate zone maps take all these factors into account, unlike the familiar hardiness zone maps devised by the U.S. Department of Agriculture, which divides most of North America into zones based strictly on winter lows. Find your Sunset Zone by choosing a region below. Looking for USDA Zones? Click Here.
The USDA Plant Hardiness Zone Map helps gardeners determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.
15 sie 2023 · California’s plant hardiness zones range from 5a, where winter temperatures can drop as low as -20 degrees Fahrenheit, to a much milder 11a, where winter temperatures only drop to just 45 degrees Fahrenheit.
Of 24 climate zones defined in the Sunset Western Garden Book and the 20 zones defined by the United States Department of Agriculture (USDA), California has 20 and 16, respectively. The USDA plant hardiness map divides North America into 11 hardiness zones.
