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  1. The USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. The map is based on the average annual extreme minimum winter temperature, displayed as 10-degree F zones and 5-degree F half zones.

    • Map Creation

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  2. Find your plant hardiness zone by entering your ZIP code or clicking on the map. Download, analyze and explore data from the 2012 USDA Plant Hardiness Zone Map, based on average annual minimum winter temperature.

  3. Nov 15, 2023 · The new map is based on 30-year averages of the lowest annual winter temperatures and is more accurate and detailed than the 2012 version. It is available online at https://planthardiness.ars.usda.gov/ and includes tips for growers and researchers.

  4. This page allows you to find and download state, regional, and national Plant Hardiness Zone Maps at various resolutions. Click on the map below to download state/territory maps or scroll down to find regional and national maps for download.

  5. The USDA Plant Hardiness Zone Map website includes an interactive-GIS map that allows the viewer to “click” down in scale to one-half mile. It also includes national, state and regional images in a variety of resolutions, and a ZIP code finder that provides the plant hardiness zone for all U.S. ZIP codes.

  6. Learn how to interpret the zone numbers and colors, find your location on the map, and access digital and print maps for your state. The map is based on the average annual extreme minimum winter temperature and should be used as a general guide for plant selection.

  7. This page allows you to find and download state, regional, and national Plant Hardiness Zone Maps at various resolutions. Scroll down to find the map you are interested in, or begin by clicking on a location in the map to access maps for that area. State.