What Growing Zone Is McLean?
Our records indicate the United States Department of Agriculture has given McLean a growing zone designation of 6a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in McLean's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used McLean's weather data from 1991 - 2020 in their analysis.
Latest IL growing zone mapIf you are looking for plants suitable for growing in the McLean area, head on over to our page on plants that grow well in McLean, IL.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
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.
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.
Latest IL 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 McLean is in growing zone 6a this means that plants there can survive temperatures as low as -10 to -5 degrees Fahrenheit. Plants for McLean'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 McLean 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!
McLean's Growing Zone Details
USDA Growing Zone: 6a
Zip Codes: 61754
Longitude: -89.1686
Latitude: 40.3136
Lowest Avg Temperatures (F): -10 to -5
Raised Garden Planter
Elevated planter for easy access and better drainage.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Map of the McLean Area
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Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
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.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
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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Cluck Around Sign
Whimsical sign for your chicken coop area.
Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Self Watering Plant Pots
Innovative pots that maintain optimal moisture levels.
Raised Garden Planter
Elevated planter for easy access and better drainage.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
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