When to plant brussels sprouts in Arizona
Arizona spans USDA zones 6a–10a, so the right time to plant brussels sprouts shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 4 in Bullhead City to June 4 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 8 – January 22 |
| Tucson | 9b | February 5 | December 9 | February 5 – February 19 |
| Mesa | 9b | February 1 | December 10 | February 1 – February 15 |
| Gilbert | 9b | February 1 | December 11 | February 1 – February 15 |
| Chandler | 9b | February 13 | December 5 | February 13 – February 27 |
| Glendale | 9b | January 20 | December 15 | January 20 – February 3 |
| Scottsdale | 10a | January 27 | December 21 | January 27 – February 10 |
| Peoria | 9b | February 5 | December 11 | February 5 – February 19 |
Brussels Sprouts in Arizona: FAQ
When can I plant brussels sprouts in Arizona?
Across Arizona, the time to transplant brussels sprouts spans roughly January 4 in Bullhead City to June 4 in Flagstaff, each following that city's local frost dates.
Does the brussels sprouts planting date vary across Arizona?
Yes. Arizona publishes 68 cities with their own frost dates, so the right brussels sprouts 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 brussels sprouts take to grow in Arizona?
Brussels Sprouts takes about 90–110 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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