When to plant edamame in California
California spans USDA zones 6b–11a, so the right time to plant edamame shifts by weeks across the state. The window to sow seed directly outdoors runs from about January 5 in San Mateo to June 16 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 | January 9 – January 30 |
| San Diego | 10b | January 6 | December 21 | January 13 – February 3 |
| San Jose | 9b | January 2 | December 25 | January 9 – January 30 |
| San Francisco | 10a | December 30 | December 25 | January 6 – January 27 |
| Fresno | 9b | January 14 | December 14 | January 21 – February 11 |
| Sacramento | 9b | January 12 | December 16 | January 19 – February 9 |
| Long Beach | 10b | January 9 | January 5 | January 16 – February 6 |
| Oakland | 10a | January 7 | December 23 | January 14 – February 4 |
Edamame in California: FAQ
When can I plant edamame in California?
Across California, the time to direct-sow edamame spans roughly January 5 in San Mateo to June 16 in Truckee, each following that city's local frost dates.
Does the edamame planting date vary across California?
Yes. California publishes 497 cities with their own frost dates, so the right edamame 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 edamame take to grow in California?
Edamame takes about 75–95 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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