Frost dates across Oklahoma
Typical last spring frost, first fall frost, and USDA zone for 14 Oklahoma cities, from 30-year NOAA climate normals. Every date is a 50 percent odds line, not a promise. Pick a city for the full frost window and what is plantable there now.
Not on the list? Any Oklahoma ZIP works.
| City | Last spring frost | First fall frost | Season length | Zone |
|---|---|---|---|---|
| Oklahoma City | Apr 2 | Nov 4 | about 216 days | 7b |
| Tulsa | Mar 30 | Nov 4 | about 219 days | 7b |
| Norman | Apr 3 | Nov 3 | about 214 days | 7b |
| Broken Arrow | Apr 1 | Nov 1 | about 214 days | 7b |
| Lawton | Mar 26 | Nov 7 | about 226 days | 7b |
| Enid | Apr 6 | Nov 1 | about 209 days | 7a |
| Ardmore | Mar 15 | Nov 14 | about 244 days | 8a |
| Altus | Apr 5 | Nov 2 | about 211 days | 7b |
| Mcalester | Mar 31 | Nov 3 | about 217 days | 7b |
| Ada | Apr 2 | Nov 4 | about 216 days | 7b |
| Miami | Apr 6 | Oct 27 | about 204 days | 7a |
| Guymon | Apr 18 | Oct 23 | about 188 days | 6b |
| Woodward | Apr 5 | Oct 30 | about 208 days | 7a |
| Weatherford | Apr 3 | Nov 3 | about 214 days | 7b |
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
Set up your garden