When to plant broccoli in Arizona
Arizona spans USDA zones 6a–10a, so the right time to plant broccoli shifts by weeks across the state. The window to transplant seedlings outdoors runs from about December 14 in Bullhead City to May 14 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 | December 18 – January 1 |
| Tucson | 9b | February 5 | December 9 | January 15 – January 29 |
| Mesa | 9b | February 1 | December 10 | January 11 – January 25 |
| Gilbert | 9b | February 1 | December 11 | January 11 – January 25 |
| Chandler | 9b | February 13 | December 5 | January 23 – February 6 |
| Glendale | 9b | January 20 | December 15 | December 30 – January 13 |
| Scottsdale | 10a | January 27 | December 21 | January 6 – January 20 |
| Peoria | 9b | February 5 | December 11 | January 15 – January 29 |
Broccoli in Arizona: FAQ
When can I plant broccoli in Arizona?
Across Arizona, the time to transplant broccoli spans roughly December 14 in Bullhead City to May 14 in Flagstaff, each following that city's local frost dates.
Does the broccoli planting date vary across Arizona?
Yes. Arizona publishes 68 cities with their own frost dates, so the right broccoli 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 broccoli take to grow in Arizona?
Broccoli takes about 55–80 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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