When to plant scorzonera in California
California spans USDA zones 6b–11a, so the right time to plant scorzonera shifts by weeks across the state. The window to sow seed directly outdoors runs from about December 15 in San Mateo to May 26 in Truckee — below are local dates for 497 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Los Angeles | 10b | January 2 | December 26 | December 19 – January 16 |
| San Diego | 10b | January 6 | December 21 | December 23 – January 20 |
| San Jose | 9b | January 2 | December 25 | December 19 – January 16 |
| San Francisco | 10a | December 30 | December 25 | December 16 – January 13 |
| Fresno | 9b | January 14 | December 14 | December 31 – January 28 |
| Sacramento | 9b | January 12 | December 16 | December 29 – January 26 |
| Long Beach | 10b | January 9 | January 5 | December 26 – January 23 |
| Oakland | 10a | January 7 | December 23 | December 24 – January 21 |
Scorzonera in California: FAQ
When can I plant scorzonera in California?
Across California, the time to direct-sow scorzonera spans roughly December 15 in San Mateo to May 26 in Truckee, each following that city's local frost dates.
Does the scorzonera planting date vary across California?
Yes. California publishes 497 cities with their own frost dates, so the right scorzonera 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 scorzonera take to grow in California?
Scorzonera takes about 110–150 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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