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This page allows you to find and download state, regional, and national Plant Hardiness Zone Maps at various resolutions. Click on the map below to download state/territory maps or scroll down to find regional and national maps for download.
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.
Hardiness Zones, Growing Zones and Planting Zones for Oklahoma Featuring an Interactive Oklahoma Hardiness Zone Map.
View the new 2023 Oklahoma Hardiness Zone Map. Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Oklahoma which ranges from USDA Zone 6a to USDA Zone 7b.
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.
Map Downloads The Plant Hardiness Zone Map is available in a number of sizes and resolutions to meet the needs of graphic artists, printers, and others needing higher resolution or simpler formats. National, regional, and state maps are available under the View Maps section.
The new version of the map includes 13 zones, with the addition for the first time of zones 12 (50-60 degrees Fahrenheit) and 13 (60-70 degrees Fahrenheit). Each zone is a 10-degree Fahrenheit band,
