When to plant garlic in Oklahoma
Oklahoma spans USDA zones 6b–8a, so the right time to plant garlic shifts by weeks across the state. The window to plant for fall/overwintering runs from about September 25 in Guymon to October 17 in Ardmore — below are local dates for 45 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Fall-plant |
|---|---|---|---|---|
| Oklahoma City | 7b | April 4 | November 2 | October 5 – October 19 |
| Tulsa | 7b | March 31 | November 4 | October 7 – October 21 |
| Norman | 7b | April 3 | November 3 | October 6 – October 20 |
| Broken Arrow | 7b | April 1 | November 1 | October 4 – October 18 |
| Edmond | 7b | April 10 | October 28 | September 30 – October 14 |
| Lawton | 7b | March 26 | November 7 | October 10 – October 24 |
| Moore | 7b | March 31 | November 5 | October 8 – October 22 |
| Midwest City | 7b | April 2 | November 5 | October 8 – October 22 |
Garlic in Oklahoma: FAQ
When can I plant garlic in Oklahoma?
Across Oklahoma, the time to fall-plant garlic spans roughly September 25 in Guymon to October 17 in Ardmore, each following that city's local frost dates.
Does the garlic planting date vary across Oklahoma?
Yes. Oklahoma publishes 45 cities with their own frost dates, so the right garlic 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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