Garden Bed Math · Frost date card
My frost date card
Zip code: Station: Station height: USDA zone:
| # | Step | Done | Date |
|---|---|---|---|
| 1 | Look up zip code in the frost date lookup | ||
| 2 | Pick the station most like my yard | ||
| 3 | Spring: typical last frost date | ||
| 4 | Spring: 1 in 10 later date | ||
| 5 | Fall: 1 in 10 earlier date | ||
| 6 | Fall: typical first frost date | ||
| 7 | Seed starting dates counted back from spring | ||
| 8 | Tender plants out: date I'll aim for | ||
| 9 | Fall deadline: 2 weeks before early fall date | ||
| 10 | Check the forecast before each move |
Notes:
Source: NOAA 1991-2020 annual/seasonal normals documentation, checked October 7, 2026. Planning record, not a forecast. Dates are NOAA 1991 to 2020 station normals; any year can run earlier or later. · gardenbedmath.com/zones/frost-date-worksheet/