Frost dates by ZIP or postcode

Find out roughly when your last spring frost and first fall frost fall, how long your growing season is, and your hardiness zone. Free, no account.

ZIP code or postcodeCountry

Looked up on our own server from a list of postcodes. We do not save what you type or send it anywhere. See our privacy policy for the details.

Frost dates are estimated for the United States only. Outside it you will see where your postcode is, and you can enter your own dates in the app. How the app uses frost dates.