What Growing Zone Is New Hampshire?
Finding your growing zone in New Hampshire is easy with our interactive zone map. New Hampshire contains multiple growing zones based on different climate conditions throughout the state. To find your specific zone, search by zip code or select your town from the list below.
Whether you're planning a home garden or professional landscaping project, knowing your growing zone in New Hampshire helps you select plants that will thrive in your local climate. Our zone information is based on the latest 2023 USDA hardiness zone maps. Search for your town in the list below or click to find zone information for a different state.
NH Hardiness Zones
Select your town in NH from the dropdown below to find its individual plant hardiness zone.
Frequently Asked Questions
Have questions about growing zones in New Hampshire? Check out our FAQ below for quick answers to common questions about USDA hardiness zones and how they affect plant selection in New Hampshire.
№ 01What growing zone is New Hampshire in?+
According to the latest USDA hardiness zone maps, New Hampshire has more than one growing zone. Different areas within New Hampshire can have different zones based on their climate. To find your specific zone in New Hampshire, enter your zip code in the search, select your town's name from the menu, or view the state zone map below.
№ 02What does the growing zone mean for New Hampshire?+
The growing zone indicates the average minimum temperature that plants can survive in different areas of New Hampshire. This helps you choose plants that will thrive in your specific part of New Hampshire's climate. Different regions within New Hampshire may have different zones.
№ 03Has New Hampshire's growing zone changed?+
The USDA released a new set of hardiness zone maps for New Hampshire in 2023, which was the first update since 2012. Areas in the Southeast warmed by about half a zone, while some areas in the Western United States had their zone lowered because of additional data becoming available. Check the zone map below to see how New Hampshire zones may have changed.
№ 04How do I find my specific zone in New Hampshire?+
To find your exact growing zone in New Hampshire, you can enter your zip code in the search above, select your town from the navigation dropdown, or use the interactive zone map below to locate your area.
№ 05What plants grow best in my zone in New Hampshire?+
Once you know your specific zone in New Hampshire, visit our page on the best plants for New Hampshire to see recommendations for your area's climate.
№ 06Can I grow plants from other zones in New Hampshire?+
While you can try plants from other zones within New Hampshire, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for your specific zone for the best results.
Looking for more zone information for New Hampshire? Follow us on Instagram for additional gardening and homesteading tips and tricks.
New Hampshire hardiness in detail
Our information is current through the latest data from the United States Department of Agriculture (USDA). This data was released in 2023 and is based on weather data from the 1991 - 2020 time period in the United States. The map of New Hampshire's growing zones below is based on the average annual extreme minimum temperature throughout the state.
Is New Hampshire not the right state? Find growing zone information for other regions of the United States by selecting a different state from the list below.
Growing Zones By State
PlantGuideOnline.com combines decades of research to provide accurate growing zone information for every state's climate. By combining information from the USDA with data from top sources like the University of Georgia Weather Network, we are able to provide the most accurate and up to date zone information possible. Ready to start gardening? Browse the best plants for New Hampshire selected based on the hardiness zones shown on this map.
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Zones by Town
Ready to find the growing zone for your specific town in New Hampshire? We have zone information for every town in the United States. Begin by selecting your town in the list below.
PlantGuideOnline.com has been providing growing zone information for New Hampshire based on the latest scientific data since 2011. We combine the latest growing zone information from the United States Department of Agriculture (USDA) with university databases specific to New Hampshire to give you the most up to date zone information for your individual town.
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Growing Zones for Every State!
Need to find zone information for a state other than New Hampshire? We have growing zone information for every town and zip code in the entire United States. Select a different state below to begin exploring zone information for other areas.
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