When to plant eggplant in Utah
Utah spans USDA zones 5b–8b, so the right time to plant eggplant shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 28 in St. George to June 18 in Heber — below are local dates for 67 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Salt Lake City | 7b | March 31 | November 8 | April 14 – April 21 |
| West Valley City | 7b | April 8 | October 31 | April 22 – April 29 |
| West Jordan | 7b | April 18 | October 22 | May 2 – May 9 |
| Provo | 7a | April 18 | October 21 | May 2 – May 9 |
| St. George | 8b | March 14 | November 10 | March 28 – April 4 |
| Orem | 7a | April 19 | October 19 | May 3 – May 10 |
| Sandy | 7b | April 29 | October 22 | May 13 – May 20 |
| Ogden | 6b | April 21 | October 23 | May 5 – May 12 |
Eggplant in Utah: FAQ
When can I plant eggplant in Utah?
Across Utah, the time to transplant eggplant spans roughly March 28 in St. George to June 18 in Heber, each following that city's local frost dates.
Does the eggplant planting date vary across Utah?
Yes. Utah publishes 67 cities with their own frost dates, so the right eggplant planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does eggplant take to grow in Utah?
Eggplant takes about 65–85 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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