Missouri Frost Dates & Growing Zones by City
Kansas City is the only Missouri city with frost dates on this site so far. Its typical (50%) last spring frost is Apr 4, and its typical frost-free season is 211 days.
The 2023 USDA hardiness map places them in zones 6a, 6b and 7a.
Each city's dates come from the nearest NOAA station that passes our quality rules. The methodology explains how we pick it.
| City | Last frost (50%) | First frost (50%) | Season (days, 50%) | Zone 2023 | Confidence | Planting calendar |
|---|---|---|---|---|---|---|
| Kansas City frost dates | Apr 4 | Nov 2 | 211 | 6a–7a | High | Kansas City planting calendar |
Station match, data and rules: methodology. Long-term odds, not a forecast.