What Growing Zone Is Humboldt?
Our records indicate the United States Department of Agriculture has given Humboldt a growing zone designation of 3b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Humboldt's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Humboldt's weather data from 1991 - 2020 in their analysis.
Latest MN growing zone mapIf you are looking for plants suitable for growing in the Humboldt area, head on over to our page on plants that grow well in Humboldt, MN.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
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 Humboldt is in growing zone 3b this means that plants there can survive temperatures as low as -35 to -30 degrees Fahrenheit. Plants for Humboldt'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 Humboldt 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 Humboldt, MN.
The USDA hardiness zone is 3b for Humboldt. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Humboldt's Growing Zone Details
USDA Growing Zone: 3b
Zip Codes: 56731
Longitude: -97.0944
Latitude: 48.9214
Lowest Avg Temperatures (F): -35 to -30
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Map of the Humboldt Area
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Cluck Around Sign
Whimsical sign for your chicken coop area.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Plants For Other States
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Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
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