What Growing Zone Is St. Martin?
Our records indicate the United States Department of Agriculture has given St. Martin 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 St. Martin's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used St. Martin's weather data from 1991 - 2020 in their analysis.
Latest MN growing zone mapIf you are looking for plants suitable for growing in the St. Martin area, head on over to our page on plants that grow well in St. Martin, MN.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
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 St. Martin is in growing zone 4b this means that plants there can survive temperatures as low as -25 to -20 degrees Fahrenheit. Plants for St. Martin'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 St. Martin 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 St. Martin, MN.
The USDA hardiness zone is 4b for St. Martin. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
St. Martin's Growing Zone Details
USDA Growing Zone: 4b
Longitude: -94.6676
Latitude: 45.5028
Lowest Avg Temperatures (F): -25 to -20
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Steel Hori Hori Weeding Knife
Versatile Japanese-style gardening knife for weeding and planting.
Map of the St. Martin Area
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Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
Plants For Other States
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Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Steel Hori Hori Weeding Knife
Versatile Japanese-style gardening knife for weeding and planting.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
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