What Growing Zone Is Dow City?
Our records indicate the United States Department of Agriculture has given Dow City 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 Dow City's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Dow City's weather data from 1991 - 2020 in their analysis.
If you are looking for plants suitable for growing in the Dow City area, head on over to our page on plants that grow well in Dow City, IA.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Steel Hori Hori Weeding Knife
Versatile Japanese-style gardening knife for weeding and planting.
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 Dow City is in growing zone 5a this means that plants there can survive temperatures as low as -20 to -15 degrees Fahrenheit. Plants for Dow City'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 Dow City 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!
Dow City's Growing Zone Details
USDA Growing Zone: 5a
Zip Codes: 51528
Longitude: -95.4944
Latitude: 41.9275
Lowest Avg Temperatures (F): -20 to -15
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Map of the Dow City Area
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Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Raised Garden Bed Kit
Easy-to-assemble raised garden bed for better soil control and drainage.
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.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
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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Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
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