Last Frost Date 2024 Zone 6b. A light freeze will kill tender plants, and is considered 29° to 32°f. These aren’t set in stone but serve as a guide for when it’s safe to plant frost.
If you’re in zones 5 through 7, the range bumps up to. An interactive map of average last frost dates in idaho and a list of locations in idaho with average last frost dates.
