What Growing Zone Is Herculaneum?
Our records indicate the United States Department of Agriculture has given Herculaneum a growing zone designation of 7a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Herculaneum's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Herculaneum's weather data from 1991 - 2020 in their analysis.
Latest MO growing zone mapIf you are looking for plants suitable for growing in the Herculaneum area, head on over to our page on plants that grow well in Herculaneum, MO.
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.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Latest MO 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 Herculaneum is in growing zone 7a this means that plants there can survive temperatures as low as 0 to 5 degrees Fahrenheit. Plants for Herculaneum'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 Herculaneum 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 Herculaneum, MO.
The USDA hardiness zone is 7a for Herculaneum. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Herculaneum's Growing Zone Details
USDA Growing Zone: 7a
Zip Codes: 63048
Longitude: -90.3948
Latitude: 38.2579
Lowest Avg Temperatures (F): 0 to 5
Raised Garden Bed Kit
Easy-to-assemble raised garden bed for better soil control and drainage.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Raised Garden Planter
Elevated planter for easy access and better drainage.
Map of the Herculaneum Area
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Worm Composting Kit
Complete kit for starting your own worm composting system.
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.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
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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Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Hoeing Ain't Easy Garden Sign
Fun and decorative garden sign to add personality to your space.
Raised Garden Planter
Elevated planter for easy access and better drainage.
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