Look up sample first frost dates, last frost dates, growing season length, plant hardiness zone, and frost notes by city, state, ZIP code, region, or zone.
City search:
Enter a city such as Chicago, Denver, Seattle, Miami, Minneapolis, Boston, or Dallas.
ZIP search:
Enter a sample ZIP code included in the dataset to find frost date estimates.
Zone search:
Search by hardiness zone such as 4b, 5a, 6a, 7b, 8b, 9b, or 10b.
Frost date search:
Search by month such as March, April, May, September, October, or November.
A frost date lookup helps gardeners estimate when it is safer to plant in spring and when frost risk may return in fall.
It is useful for gardening, seed starting, raised beds, landscaping, farming, outdoor planning, fall harvest timing, and connecting users to weather and garden calculators.
No. These are sample frost date estimates. Frost dates are based on historical averages and can change each year.
The last frost date is the estimated date in spring after which frost is less likely for a location.
The first frost date is the estimated date in fall when frost risk usually returns.
Yes. After running a lookup, click the copy button to copy the result.