What Growing Zone Is Blue Hills?

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

Latest CT growing zone map

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

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Latest CT 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 Blue Hills is in growing zone this means that plants there can survive temperatures as low as degrees Fahrenheit. Plants for Blue Hills'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 Blue Hills 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 Blue Hills, CT.

The USDA hardiness zone is null for Blue Hills. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Blue Hills's Growing Zone Details

USDA Growing Zone:

Zip Codes: 6002

Longitude: -72.6954

Latitude: 41.8133

Lowest Avg Temperatures (F):

Cluck Around Sign

Whimsical sign for your chicken coop area.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

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 Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Map of the Blue Hills Area

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Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

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Elegant brass handle to enhance your garden faucet.

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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.

Deluxe Plastic Watering Can

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

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Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

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