When to plant mint in Oklahoma
Oklahoma spans USDA zones 6b–8a, so the right time to plant mint shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 15 in Ardmore to April 18 in Guymon — below are local dates for 45 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Oklahoma City | 7b | April 4 | November 2 | April 4 – April 18 |
| Tulsa | 7b | March 31 | November 4 | March 31 – April 14 |
| Norman | 7b | April 3 | November 3 | April 3 – April 17 |
| Broken Arrow | 7b | April 1 | November 1 | April 1 – April 15 |
| Edmond | 7b | April 10 | October 28 | April 10 – April 24 |
| Lawton | 7b | March 26 | November 7 | March 26 – April 9 |
| Moore | 7b | March 31 | November 5 | March 31 – April 14 |
| Midwest City | 7b | April 2 | November 5 | April 2 – April 16 |
Mint in Oklahoma: FAQ
When can I plant mint in Oklahoma?
Across Oklahoma, the time to transplant mint spans roughly March 15 in Ardmore to April 18 in Guymon, each following that city's local frost dates.
Does the mint planting date vary across Oklahoma?
Yes. Oklahoma publishes 45 cities with their own frost dates, so the right mint planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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