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USDA Plant Hardiness Zone Map (PHZM)

posted on 2023-11-30, 08:08 authored by USDA Agricultural Research Service

The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.

For the first time, the map is available as an interactive GIS-based map, for which a broadband Internet connection is recommended, and as static images for those with slower Internet access. Users may also simply type in a ZIP Code and find the hardiness zone for that area.

No posters of the USDA Plant Hardiness Zone Map have been printed. But state, regional, and national images of the map can be downloaded and printed in a variety of sizes and resolutions.

Resources in this dataset:

  • Resource Title: USDA Plant Hardiness Zone Map.

    File Name: Web Page, url:

    Includes interactive, static, and georeferenced maps, map and data downloads, and information about plant hardiness zones in the United States.


Agricultural Research Service


Data contact name

USDA Agricultural Research Service

Data contact email


USDA Agricultural Research Service


  • Not specified

ISO Topic Category

  • environment
  • farming
  • imageryBaseMapsEarthCover

National Agricultural Library Thesaurus terms

USDA; gardeners; growers; winter; temperature; geographic information systems; microclimate; hills; valleys; air; cold tolerance; autumn; weather; climatic zones; growing season; planting season; winter hardiness

OMB Bureau Code

  • 005:18 - Agricultural Research Service

OMB Program Code

  • 005:040 - National Research

Pending citation

  • No

Public Access Level

  • Public

Preferred dataset citation

USDA Plant Hardiness Zone Map, 2012. Agricultural Research Service, U.S. Department of Agriculture. Accessed from

Usage metrics


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