What Growing Zone Is Republic?

Our records indicate the United States Department of Agriculture has given Republic a growing zone designation of 4a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Republic's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Republic's weather data from 1991 - 2020 in their analysis.

Latest MI growing zone map

If you are looking for plants suitable for growing in the Republic area, head on over to our page on plants that grow well in Republic, MI.

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Latest MI growing zone map

The 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 Republic is in growing zone 4a this means that plants there can survive temperatures as low as -30 to -25 degrees Fahrenheit. Plants for Republic'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.

USDA growing zone map of the United States

Some zones may have been changed by the USDA as of 2023. To see if the Republic area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.

map of usda hardiness zone changes from 2012 to 2023

Half zone changes from 2012 to 2023

The 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!

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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 Republic, MI.

The USDA hardiness zone is 4a for Republic. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Republic's Growing Zone Details

USDA Growing Zone: 4a

Zip Codes: 49879

Longitude: -87.9819

Latitude: 46.3956

Lowest Avg Temperatures (F): -30 to -25

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Map of the Republic Area

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Raised Garden Planter

Elevated planter for easy access and better drainage.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

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Brass Watering Can

Elegant brass watering can with classic design and durability.

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.

Plants For Other States

Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.

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Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

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