What Growing Zone Is Lost Nation?

Our records indicate the United States Department of Agriculture has given Lost Nation a growing zone designation of 5a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Lost Nation's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Lost Nation's weather data from 1991 - 2020 in their analysis.

Latest IA growing zone map

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

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Metal Arbor Trellis

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Latest IA 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 Lost Nation is in growing zone 5a this means that plants there can survive temperatures as low as -20 to -15 degrees Fahrenheit. Plants for Lost Nation'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 Lost Nation area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.

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 Lost Nation, IA.

The USDA hardiness zone is 5a for Lost Nation. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Lost Nation's Growing Zone Details

USDA Growing Zone: 5a

Zip Codes: 52254

Longitude: -90.8181

Latitude: 41.9676

Lowest Avg Temperatures (F): -20 to -15

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Map of the Lost Nation Area

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Large Greenhouse Kit

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Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

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

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

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.