What Growing Zone Is Riggston?

Our records indicate the United States Department of Agriculture has given Riggston 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 Riggston's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Riggston's weather data from 1991 - 2020 in their analysis.

Latest IL growing zone map

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

Bronze Girl on Tree Statue

A graceful bronze art piece that brings a regal presence to your garden.

Heavy Duty Garden Utility Wagon

Let gardeners haul it all with this rugged utility wagon from Gorilla Carts.

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Premium Garden Tool Gift Set

Deluxe tools for the gardener in your life to work the earth.

Latest IL 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 Riggston is in growing zone 6a this means that plants there can survive temperatures as low as -10 to -5 degrees Fahrenheit. Plants for Riggston'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 Riggston 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 Riggston, IL.

The USDA hardiness zone is 6a for Riggston. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Riggston's Growing Zone Details

USDA Growing Zone: 6a

Zip Codes:

62694

Longitude: -90.4234

Latitude: 39.6944

Lowest Avg Temperatures (F): -10 to -5

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

Fiskars Garden Harvest Basket

Sturdy basket for collecting and carrying your garden harvest.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Bronze Girl on Tree Statue

A graceful bronze art piece that brings a regal presence to your garden.

Map of the Riggston Area

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Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.

Metal Seed Storage Box

Organized storage solution for your seed collection.

Premium Garden Tool Gift Set

Deluxe tools for the gardener in your life to work the earth.

Shiitake Mushroom Kit

Grow your own delicious shiitake mushrooms at home.

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