Last Frost Date Mn 2025. Our frost date calculator will tell you precisely when your garden in duluth, mn is at risk for frost. A frost date is the average date of the last light freeze in spring or the first light freeze in fall.

Enter your location below and we will tell you when your average first frost and last frost dates are likely to happen. Detailed planting and seed starting guides specifically made for minnesota based on usda zone date and last frost date.