When to plant chervil in Arizona
Arizona spans USDA zones 6a–10a, so the right time to plant chervil shifts by weeks across the state. The window to sow seed directly outdoors runs from about December 7 in Bullhead City to May 7 in Flagstaff — below are local dates for 68 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Phoenix | 9b | January 8 | December 25 | December 11 – January 8 |
| Tucson | 9b | February 5 | December 9 | January 8 – February 5 |
| Mesa | 9b | February 1 | December 10 | January 4 – February 1 |
| Gilbert | 9b | February 1 | December 11 | January 4 – February 1 |
| Chandler | 9b | February 13 | December 5 | January 16 – February 13 |
| Glendale | 9b | January 20 | December 15 | December 23 – January 20 |
| Scottsdale | 10a | January 27 | December 21 | December 30 – January 27 |
| Peoria | 9b | February 5 | December 11 | January 8 – February 5 |
Chervil in Arizona: FAQ
When can I plant chervil in Arizona?
Across Arizona, the time to direct-sow chervil spans roughly December 7 in Bullhead City to May 7 in Flagstaff, each following that city's local frost dates.
Does the chervil planting date vary across Arizona?
Yes. Arizona publishes 68 cities with their own frost dates, so the right chervil 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 chervil take to grow in Arizona?
Chervil takes about 55–70 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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