United States only
US Hardiness Zone Finder
Enter a five-digit US ZIP code to look up its PRISM 2023 hardiness zone and see plants in our verified library that tolerate that winter.
What this lookup uses
The lookup covers 40,502 US ZIP codes using PRISM Climate Group's 2023 plant-hardiness dataset from Oregon State University. Plant matches come from our current cross-checked US library.
This is not the official USDA map and it cannot account for soil, drainage, wind, local microclimates or planting restrictions. Confirm a final purchase with a local nursery.