What Growing Zone Is Hermantown?
Our records indicate the United States Department of Agriculture has given Hermantown 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 Hermantown's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Hermantown's weather data from 1991 - 2020 in their analysis.
Latest MN growing zone mapIf you are looking for plants suitable for growing in the Hermantown area, head on over to our page on plants that grow well in Hermantown, MN.
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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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Elegant brass watering can with classic design and durability.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
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 Hermantown is in growing zone 4b this means that plants there can survive temperatures as low as -25 to -20 degrees Fahrenheit. Plants for Hermantown'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 Hermantown 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 Hermantown, MN.
The USDA hardiness zone is 4b for Hermantown. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Hermantown's Growing Zone Details
USDA Growing Zone: 4b
Zip Codes: 55814, 55810, 55811
Longitude: -92.2407
Latitude: 46.8057
Lowest Avg Temperatures (F): -25 to -20
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Spacious greenhouse for extending your growing season.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Map of the Hermantown Area
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Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
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Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
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Decorative arbor trellis for climbing plants and garden entrance.
Shiitake Mushroom Kit
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Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Brass Watering Can
Elegant brass watering can with classic design and durability.
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