Last Frost Date By Zip 2025. The classification of freeze temperatures is based on their effect on plants: Our frost date calculator will tell you precisely when your garden in dates is at risk for frost.

See the estimated dates of the first fall frost and last spring frost in your location. To make it easier to plan your garden, the regions on this map will help you estimate the first date of frost in the fall and the last date of frost in the spring for your region.