Finding your growing zone in Idaho is easy with our interactive zone map. Idaho 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.
Search Plants by Zip Code
Whether you're planning a home garden or professional landscaping project, knowing your growing zone in Idaho 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.
ID Hardiness Zones
Select your town in ID from the dropdown below to find its individual plant hardiness zone.
Frequently Asked Questions
Have questions about growing zones in Idaho? Check out our FAQ below for quick answers to common questions about USDA hardiness zones and how they affect plant selection in Idaho.
According to the latest USDA hardiness zone maps, Idaho has more than one growing zone. Different areas within Idaho can have different zones based on their climate. To find your specific zone in Idaho, enter your zip code in the search, select your town's name from the menu, or view the state zone map below.
The growing zone indicates the average minimum temperature that plants can survive in different areas of Idaho. This helps you choose plants that will thrive in your specific part of Idaho's climate. Different regions within Idaho may have different zones.
The USDA released a new set of hardiness zone maps for Idaho 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 Idaho zones may have changed.
To find your exact growing zone in Idaho, 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.
Once you know your specific zone in Idaho, visit our page on the best plants for Idaho to see recommendations for your area's climate.
While you can try plants from other zones within Idaho, 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 Idaho? Follow us on Instagram for additional gardening and homesteading tips and tricks.
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 Idaho's growing zones below is based on the average annual extreme minimum temperature throughout the state.
Plant based on Idaho's growing zones
Is Idaho 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 find the growing zone for your specific town in Idaho? 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 Idaho 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 Idaho to give you the most up to date zone information for your individual town. Whether you're an amateur gardener or a professional landscape architect, let us be your guide to the right growing zone information for Idaho's climate.
Need to find zone information for a state other than Idaho? 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.
Plant based on Idaho's growing zones
