What Growing Zone Is Hemlock?
Our records indicate the United States Department of Agriculture has given Hemlock 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 Hemlock's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Hemlock's weather data from 1991 - 2020 in their analysis.
Latest IN growing zone mapIf you are looking for plants suitable for growing in the Hemlock area, head on over to our page on plants that grow well in Hemlock, IN.
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.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Latest IN 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 Hemlock is in growing zone 6a this means that plants there can survive temperatures as low as -10 to -5 degrees Fahrenheit. Plants for Hemlock'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 Hemlock 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 Hemlock, IN.
The USDA hardiness zone is 6a for Hemlock. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.
Hemlock's Growing Zone Details
USDA Growing Zone: 6a
Longitude: -86.0414
Latitude: 40.42
Lowest Avg Temperatures (F): -10 to -5
Metal Seed Storage Box
Organized storage solution for your seed collection.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Raised Garden Planter
Elevated planter for easy access and better drainage.
Worm Composting Kit
Complete kit for starting your own worm composting system.
Map of the Hemlock 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.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Shiitake Mushroom Kit
Grow your own delicious shiitake mushrooms at home.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Plants For Other States
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Rustic Iron Garden Trellis
Sturdy trellis for supporting climbing plants and vines.
Brass Decorative Faucet Handle
Elegant brass handle to enhance your garden faucet.
Seed Starting Trays
Perfect for starting seeds indoors before transplanting to your garden.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Worm Composting Kit
Complete kit for starting your own worm composting system.
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