Last Frost Date 2024 By Postal Code. Use this mapping tool to find the average of first and last frost date in your city or state by zip code to make sure you start your garden at the right time, not too early, not too late. Enter your zip or postal code in the field above to see frost dates for your location (based on the nearest weather.

You can enter a zipcode or a location like city, state. Enter your location below and we will tell you when your average first frost and last frost dates are likely to happen.