Frost dates · 11 cities · zones 7a–7b
Oklahoma frost dates, city by city
Median last spring frost across 11 Oklahoma cities runs from March 26 in Lawton to April 10 in Edmond.
| City | Zone | Last frost median | First frost median | Season | Jan → Dec |
|---|---|---|---|---|---|
| Oklahoma City | 7b | Apr 4 | Nov 2 | 213 d | |
| Tulsa | 7b | Mar 31 | Nov 4 | 220 d | |
| Norman | 7b | Mar 31 | Nov 5 | 219 d | |
| Broken Arrow | 7b | Apr 1 | Nov 1 | 212 d | |
| Edmond | 7b | Apr 10 | Oct 28 | 199 d | |
| Lawton | 7b | Mar 26 | Nov 7 | 225 d | |
| Moore | 7b | Mar 31 | Nov 5 | 219 d | |
| Midwest City | 7b | Apr 2 | Nov 5 | 217 d | |
| Enid | 7a | Apr 6 | Nov 1 | 209 d | |
| Stillwater | 7a | Apr 5 | Oct 30 | 206 d | |
| Owasso | 7b | Mar 31 | Nov 4 | 220 d |
Medians from NOAA NCEI 1991–2020 U.S. Climate Normals at each city's nearest qualifying station; zones from the 2023 USDA Plant Hardiness Zone Map. Open a city for the 1-in-10-year dates, the station, and a planting calendar for every sauce crop.
All states →Build a plan from your ZIP →Earliest: Lawton (Mar 26) · Latest: Edmond (Apr 10)