What Growing Zone Is Green River?

Our records indicate the United States Department of Agriculture has given Green River a growing zone designation of 6b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Green River's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Green River's weather data from 1991 - 2020 in their analysis.

Latest UT growing zone map

If you are looking for plants suitable for growing in the Green River area, head on over to our page on plants that grow well in Green River, UT.

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Latest UT growing zone map

The growing zone is a measure of the lowest temperature that a plant can survive based on average lowest year temperatures, helping you to decide what plants would grow best in your particular climate. Since Green River is in growing zone 6b this means that plants there can survive temperatures as low as -5 to 0 degrees Fahrenheit. Plants for Green River's climate should be chosen with this in mind, or plants should be moved inside to keep their core temperature in the right range if necessary.

USDA growing zone map of the United States

Some zones may have been changed by the USDA as of 2023. To see if the Green River area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.

map of usda hardiness zone changes from 2012 to 2023

Half zone changes from 2012 to 2023

The updated map shows that over half of the Southeast has warmed by about half a zone. For gardeners, that means you can now grow plants that tolerate a bit more heat and less frost than before. The tan areas reflect this shift. Meanwhile, the white areas had slight temperature changes, but not enough to move them into a new zone. In the Western U.S., a few spots shifted cooler. That’s not due to a colder climate, but because the new map uses a larger dataset, giving a more accurate picture of local conditions. It's important to keep track of these changes when planning your garden!

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Hardiness Zone FAQ

Have questions about hardiness zones and what they mean for your garden? Check out our FAQ below for quick answers to common questions about USDA hardiness zones and how they affect plant selection in Green River, UT.

The USDA hardiness zone is 6b for Green River. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Green River's Growing Zone Details

USDA Growing Zone: 6b

Zip Codes: 84525

Longitude: -110.1723

Latitude: 38.9935

Lowest Avg Temperatures (F): -5 to 0

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Map of the Green River Area

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Plants For Other States

Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

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