What Growing Zone Is Windham?

Our records indicate the United States Department of Agriculture has given Windham a growing zone designation of 4b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Windham's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Windham's weather data from 1991 - 2020 in their analysis.

Latest MT growing zone map

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

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

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Funny cow sign, great for gardeners and farmers.

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Fiskars Garden Harvest Basket

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Show Windham's growing zone on my site

Latest MT 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 Windham is in growing zone 4b this means that plants there can survive temperatures as low as -25 to -20 degrees Fahrenheit. Plants for Windham'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.

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

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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Ready to start planning your garden? Browse our curated list of plants recommended for Windham, MT that are matched to this hardiness zone.

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 Windham, MT.

The USDA hardiness zone is 4b for Windham. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Windham's Growing Zone Details

USDA Growing Zone: 4b

Zip Codes:

59479

Longitude: -110.1386

Latitude: 47.0781

Lowest Avg Temperatures (F): -25 to -20

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.

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For the chicken owner with a sense of humor.

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Elegant brass handle to enhance your garden faucet.

Map of the Windham Area

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Fluffy Butt Hut Sign

For the chicken owner with a sense of humor.

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A foldable hat for ladies that does not sacrifice style, perfect for the fashionable gardener in your life.

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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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