When to plant garlic in Utah
Utah spans USDA zones 5b–8b, so the right time to plant garlic shifts by weeks across the state. The window to plant for fall/overwintering runs from about August 19 in Eagle Mountain to October 13 in St. George — below are local dates for 67 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Fall-plant |
|---|---|---|---|---|
| Salt Lake City | 7b | March 31 | November 8 | October 11 – October 25 |
| West Valley City | 7b | April 8 | October 31 | October 3 – October 17 |
| West Jordan | 7b | April 18 | October 22 | September 24 – October 8 |
| Provo | 7a | April 18 | October 21 | September 23 – October 7 |
| St. George | 8b | March 14 | November 10 | October 13 – October 27 |
| Orem | 7a | April 19 | October 19 | September 21 – October 5 |
| Sandy | 7b | April 29 | October 22 | September 24 – October 8 |
| Ogden | 6b | April 21 | October 23 | September 25 – October 9 |
Garlic in Utah: FAQ
When can I plant garlic in Utah?
Across Utah, the time to fall-plant garlic spans roughly August 19 in Eagle Mountain to October 13 in St. George, each following that city's local frost dates.
Does the garlic planting date vary across Utah?
Yes. Utah publishes 67 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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