Frost dates by location
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Cheyenne | 7b | Apr 3 | Nov 3 | 214 |
| Oklahoma City | 7b | Apr 2 | Nov 4 | 216 |
| Tulsa | 7b | Apr 2 | Nov 2 | 214 |
| Norman | 7b | Apr 1 | Nov 4 | 217 |
| Broken Arrow | 7b | Apr 2 | Nov 2 | 214 |
| Lawton | 7b | Mar 31 | Nov 4 | 218 |
| Edmond | 7b | Apr 4 | Nov 2 | 212 |
Zones in Oklahoma
Bottom line: a statewide planting date is a compromise nobody's garden actually
lives at. Oklahoma's last-frost spread is
4 days wide. Use the location nearest you.
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