What Growing Zone Is Harris?
Our records indicate the United States Department of Agriculture has given Harris 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 Harris's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Harris's weather data from 1991 - 2020 in their analysis.
Latest IA growing zone mapIf you are looking for plants suitable for growing in the Harris area, head on over to our page on plants that grow well in Harris, IA.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Latest IA growing zone mapThe 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 Harris is in growing zone 5a this means that plants there can survive temperatures as low as -20 to -15 degrees Fahrenheit. Plants for Harris'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 Harris area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.
Half zone changes from 2012 to 2023The 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!
Harris's Growing Zone Details
USDA Growing Zone: 5a
Zip Codes: 51345
Longitude: -95.4372
Latitude: 43.4451
Lowest Avg Temperatures (F): -20 to -15
Cluck Around Sign
Whimsical sign for your chicken coop area.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Map of the Harris Area
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Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Steel Hori Hori Weeding Knife
Versatile Japanese-style gardening knife for weeding and planting.
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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Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
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