What Growing Zone Is Two Harbors?
Our records indicate the United States Department of Agriculture has given Two Harbors 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 Two Harbors's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Two Harbors's weather data from 1991 - 2020 in their analysis.
If you are looking for plants suitable for growing in the Two Harbors area, head on over to our page on plants that grow well in Two Harbors, MN.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Raised Garden Bed Kit
Easy-to-assemble raised garden bed for better soil control and drainage.
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 Two Harbors is in growing zone 3b this means that plants there can survive temperatures as low as -35 to -30 degrees Fahrenheit. Plants for Two Harbors'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 Two Harbors 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!
Two Harbors's Growing Zone Details
USDA Growing Zone: 3b
Zip Codes: 55616
Longitude: -91.6752
Latitude: 47.0302
Lowest Avg Temperatures (F): -35 to -30
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Raised Garden Bed Kit
Easy-to-assemble raised garden bed for better soil control and drainage.
Map of the Two Harbors Area
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Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Metal Seed Storage Box
Organized storage solution for your seed collection.
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Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
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