What Growing Zone Is Seabrook?

Our records indicate the United States Department of Agriculture has given Seabrook a growing zone designation of 9a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Seabrook's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Seabrook's weather data from 1991 - 2020 in their analysis.

Latest SC growing zone map

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

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Latest SC 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 Seabrook is in growing zone 9a this means that plants there can survive temperatures as low as 20 to 25 degrees Fahrenheit. Plants for Seabrook'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 Seabrook 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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Seabrook's Growing Zone Details

USDA Growing Zone: 9a

Zip Codes: 29940

Longitude: -80.7479

Latitude: 32.5227

Lowest Avg Temperatures (F): 20 to 25

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Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Map of the Seabrook Area

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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.

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Innovative pots that maintain optimal moisture levels.

Brass Decorative Faucet Handle

Elegant brass handle to enhance your garden faucet.

Stainless Steel Garden Tool Set

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

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.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.

Hoeing Ain't Easy Garden Sign

Fun and decorative garden sign to add personality to your space.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Stainless Steel Garden Tool Set

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

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