What Growing Zone Is Ridgeway?
Our records indicate the United States Department of Agriculture has given Ridgeway 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 Ridgeway's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Ridgeway's weather data from 1991 - 2020 in their analysis.
Latest IA growing zone mapIf you are looking for plants suitable for growing in the Ridgeway area, head on over to our page on plants that grow well in Ridgeway, IA.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
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 Ridgeway is in growing zone 4b this means that plants there can survive temperatures as low as -25 to -20 degrees Fahrenheit. Plants for Ridgeway'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 Ridgeway 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!
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 Ridgeway, IA.
The USDA hardiness zone is 4b for Ridgeway. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Ridgeway's Growing Zone Details
USDA Growing Zone: 4b
Zip Codes: 52165
Longitude: -91.9924
Latitude: 43.2971
Lowest Avg Temperatures (F): -25 to -20
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Stainless Steel Garden Tool Set
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Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Raised Garden Planter
Elevated planter for easy access and better drainage.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Map of the Ridgeway Area
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Hydroponic Garden Grow Kit
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Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
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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Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Raised Garden Bed Kit
Easy-to-assemble raised garden bed for better soil control and drainage.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
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