What Growing Zone Is New Haven?
Our records indicate the United States Department of Agriculture has given New Haven a growing zone designation of 6b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in New Haven's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used New Haven's weather data from 1991 - 2020 in their analysis.
If you are looking for plants suitable for growing in the New Haven area, head on over to our page on plants that grow well in New Haven, OH.
Fiskars Garden Harvest Basket
Sturdy basket for collecting and carrying your garden harvest.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Deluxe Plastic Watering Can
High-capacity watering can with comfortable grip and precise spout.
Latest OH 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 New Haven is in growing zone 6b this means that plants there can survive temperatures as low as -5 to 0 degrees Fahrenheit. Plants for New Haven'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 New Haven 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!
New Haven's Growing Zone Details
USDA Growing Zone: 6b
Zip Codes: 45030
Longitude: -84.744
Latitude: 39.2772
Lowest Avg Temperatures (F): -5 to 0
Hydroponic Garden Grow Kit
Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Large Greenhouse Kit
Spacious greenhouse for extending your growing season.
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.
Map of the New Haven Area
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Steel Hori Hori Weeding Knife
Versatile Japanese-style gardening knife for weeding and planting.
Cluck Around Sign
Whimsical sign for your chicken coop area.
Brass Watering Can
Elegant brass watering can with classic design and durability.
Metal Seed Storage Box
Organized storage solution for your seed collection.
Reusable Grow Bags
Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
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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Wooden Chicken Coop
Spacious and secure home for your backyard chickens.
Stainless Steel Garden Tool Set
Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Small Greenhouse Kit
Compact greenhouse perfect for small spaces.
Metal Arbor Trellis
Decorative arbor trellis for climbing plants and garden entrance.
Raised Garden Planter
Elevated planter for easy access and better drainage.
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