What Growing Zone Is New Rockport Colony?

Our records indicate the United States Department of Agriculture has given New Rockport Colony 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 New Rockport Colony's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used New Rockport Colony's weather data from 1991 - 2020 in their analysis.

Latest MT growing zone map

If you are looking for plants suitable for growing in the New Rockport Colony area, head on over to our page on plants that grow well in New Rockport Colony, MT.

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Deluxe Plastic Watering Can

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Rustic Iron Garden Trellis

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Latest MT 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 New Rockport Colony is in growing zone 4b this means that plants there can survive temperatures as low as -25 to -20 degrees Fahrenheit. Plants for New Rockport Colony'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 New Rockport Colony 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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New Rockport Colony's Growing Zone Details

USDA Growing Zone: 4b

Zip Codes: 59422

Longitude: -112.0349

Latitude: 47.8598

Lowest Avg Temperatures (F): -25 to -20

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Stainless Steel Garden Tool Set

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

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.

Worm Composting Kit

Complete kit for starting your own worm composting system.

Wooden Chicken Coop

Spacious and secure home for your backyard chickens.

Map of the New Rockport Colony Area

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Stainless Steel Garden Tool Set

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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.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Raised Garden Planter

Elevated planter for easy access and better drainage.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Brass Watering Can

Elegant brass watering can with classic design and durability.

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