When to plant Lettuce in Zone 10a
In Zone 10a, Lettuce: direct sow outdoors around Jan 3–Jan 31; direct sow outdoors around Nov 2–Nov 16. Expect to harvest around Feb 17–Mar 17.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 3 – Jan 31 |
| Direct sow outdoors | Nov 2 – Nov 16 |
| Harvest | Feb 17 – Mar 17 |
| Harvest | Dec 17 – Dec 31 |
Tip: A cool-season crop. Sow early and again in late summer for fall; it bolts in summer heat.
Zone 10a averages a last spring frost around Jan 31 and a first fall frost around Dec 28. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10a calendar in the tool →