* For more information about USDA Zones look below the map.
* The USDA Plant Hardiness Zone Map was created so that gardeners, growers and landscapers have a way to compare the average lowest temperature in their area with the average lowest temperature that a specific plant will survive without damage.
Every type of plant has a low temperature threshold. Before purchasing plants to grow in your landscape or gardens, make sure it is one that will most likely survive the average low temperature in your zone.
Zone Descriptions
Zone 1 ÃÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ ÃÆâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ƒÂ¢Ã¢€Ãƒâ€¦Ã‚¾Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ ÃÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¾ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¦ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ ÃÆâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ƒÂ¢Ã¢€Ãƒâ€¦Ã‚¾Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¦ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’¢€Ãƒâ€šÃ‚¦ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ĉ€Ã‚¦Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚· Below -50ÃÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ ÃÆâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ƒÂ¢Ã¢€Ãƒâ€¦Ã‚¾Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ ÃÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¾ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¦ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ ÃÆâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ƒÂ¢Ã¢€Ãƒâ€¦Ã‚¾Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¦ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’¢€Ãƒâ€šÃ‚¦ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ĉ€Ã‚¦Ãƒâ€Å¡Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¡ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€Ãƒâ€¦Ã‚¡ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚° F
Zone 1 has a low temperature of below -50 Fahrenheit and below -45.6 Celsius, covering interior areas of Alaska, Resolute, Northwest Territories of Canada, northernmost tip of China.
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Zone 2a has a low temperature of -50 to -45 Fahrenheit and -42.8 to -45.5 Celsius, spanning from interior areas of Alaska, northern regions of Canada (Manitoba), and northernmost isolated parts of China.
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Zone 2b has a low temperature of -45 to -40 Fahrenheit and -40 to -42.7 Celsius, spanning from interior areas of Alaska (Unalakleet), the northernmost tip of Minnesota, middle regions of Canada, and northernmost regions of China.
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Zone 3a has a low temperature of -40 to -35 Fahrenheit and -37.3 to -39.9 Celsius, spanning from northernmost regions of Minnesota (International Falls), interior and northern coastal areas of Alaska (St. Michael), southern regions of Canada, northern regions of Europe, northern regions of China, and central regions of northern Japan.
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Zone 3b has a low temperature of -35 to -30 Fahrenheit and -34.5 to -37.2 Celsius, spanning from northernmost regions of the US, interior and northern coastal areas of Alaska, southern regions of Canada, northern areas of Europe, some central and northern interior regions of China, and interior regions of northern Japan.
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Zone 4a has a low temperature of -30 to -25 Fahrenheit and -31.7 to -34.4 Celsius, spanning from northern regions in the Midwest and northeast US, western coastal areas of Alaska, coastal regions of eastern Canada, northern areas of Europe, some central and northern interior regions of China, isolated areas of South America, and northern regions of Japan.
Zone 4B ÃÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’¢€ â€ÃƒÆ’¢â€Ã…¾Ã‚¢ÃƒÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ƒÂ¢€ ÃÆâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’ƒÂ¢Ã¢€Ãƒâ€¦Ã‚¾Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€ â€ÃƒÂ¢Ã¢€Å¾Ã‚¢ÃƒÆ’Æâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢€ ÃÆâ€â„¢ÃƒÆ’†â€Ã¢â€žÂ¢ÃƒÆ’ĉ€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢€ÃƒÆ’Įâ€â„¢ÃƒÆ’â€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’¢€ÃƒÆ’â€Â¦Ãƒâ€šÃ‚¾ÃƒÆ’â€Ã…¡Ãƒâ€Å¡Ãƒâ€šÃ‚¢ÃƒÆ’Ã