Overview
This data set provides the USDA Plant Hardiness Zone for each US Postal Service ZIP Code. It covers the entire United States and territories. Updated monthly.
Last updated May 1, 2024. The record count is 40,998.
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Dataset
This data is provided in 3 formats: CSV, JSON, and XML
All formats provide 3 data points:
- ZipCode: 5 digit ZIP Code
- Zone: USDA Plant Hardiness Zone name. Possible values:
- 1a
- 1b
- 2a
- 2b
- 3a
- 3b
- 4a
- 4b
- 5a
- 5b
- 6a
- 6b
- 7a
- 7b
- 8a
- 8b
- 9a
- 9b
- 10a
- 10b
- 11a
- 11b
- 12a
- 12b
- 13a
- 13b
- MinTempRange: the average annual extreme minimum temperature. Possible values:
- < -55
- -55 to -50
- -50 to -45
- -45 to -40
- -35 to -40
- -30 to -35
- -25 to -30
- -20 to -25
- -15 to -20
- -10 to -15
- -5 to -10
- 0 to -5
- 0 to 5
- 5 to 10
- 10 to 15
- 15 to 20
- 20 to 25
- 25 to 30
- 30 to 35
- 35 to 40
- 40 to 45
- 45 to 50
- 50 to 55
- 55 to 60
- 60 to 65
- > 65
Excluded ZIP Codes
Excludes APO, DPO, FPO, and PARCEL RETURN SERVICE ZIP codes because they are non-geographic.