What Growing Zone Is Winthrop?
Our records indicate the United States Department of Agriculture has given Winthrop 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 Winthrop's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Winthrop's weather data from 1991 - 2020 in their analysis.
Latest MN growing zone mapIf you are looking for plants suitable for growing in the Winthrop area, head on over to our page on plants that grow well in Winthrop, MN.
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Hoeing Ain't Easy Garden Sign
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Raised Garden Bed Kit
Easy-to-assemble raised garden bed for better soil control and drainage.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Latest MN growing zone mapThe 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 Winthrop is in growing zone 4b this means that plants there can survive temperatures as low as -25 to -20 degrees Fahrenheit. Plants for Winthrop'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 Winthrop area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.
Half zone changes from 2012 to 2023The 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!
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 Winthrop, MN.
The USDA hardiness zone is 4b for Winthrop. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Winthrop's Growing Zone Details
USDA Growing Zone: 4b
Zip Codes: 55396
Longitude: -94.3598
Latitude: 44.5424
Lowest Avg Temperatures (F): -25 to -20
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Map of the Winthrop Area
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Easy-to-assemble raised garden bed for better soil control and drainage.
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Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
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Sturdy trellis for supporting climbing plants and vines.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
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