What Plant Hardiness Zone Am I In?
Find the USDA 2023 plant hardiness classification listed for a US ZIP code. See the winter minimum temperature range and what a ZIP result cannot tell you.
Example: ZIP Code 98109 in Seattle. Type your own ZIP Code over it.
ZIP 98109: zone 9a
Average annual extreme minimum temperature: 20 to 25 °F.
USDA Plant Hardiness Zone Map, 2023, based on the 1991–2020 period. This is the published ZIP classification, not a measurement of your garden or a forecast of the coldest night.
More location tools
Open this point in the location finder
The location finder connects a point to its city, county, ZIP area and time zone. Elevation accuracy explains terrain and device heights; IP versus GPS explains why location methods differ.
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