When to plant eggplant in Arizona
Arizona spans USDA zones 6a–10a, so the right time to plant eggplant shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 18 in Bullhead City to June 18 in Flagstaff — below are local dates for 68 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Phoenix | 9b | January 8 | December 25 | January 22 – January 29 |
| Tucson | 9b | February 5 | December 9 | February 19 – February 26 |
| Mesa | 9b | February 1 | December 10 | February 15 – February 22 |
| Gilbert | 9b | February 1 | December 11 | February 15 – February 22 |
| Chandler | 9b | February 13 | December 5 | February 27 – March 6 |
| Glendale | 9b | January 20 | December 15 | February 3 – February 10 |
| Scottsdale | 10a | January 27 | December 21 | February 10 – February 17 |
| Peoria | 9b | February 5 | December 11 | February 19 – February 26 |
Eggplant in Arizona: FAQ
When can I plant eggplant in Arizona?
Across Arizona, the time to transplant eggplant spans roughly January 18 in Bullhead City to June 18 in Flagstaff, each following that city's local frost dates.
Does the eggplant planting date vary across Arizona?
Yes. Arizona publishes 68 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 Arizona?
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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