When to plant Lettuce in Zone 9b
In Zone 9b, Lettuce: direct sow outdoors around Jan 18–Feb 15; direct sow outdoors around Oct 20–Nov 3. Expect to harvest around Mar 4–Apr 1.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 18 – Feb 15 |
| Direct sow outdoors | Oct 20 – Nov 3 |
| Harvest | Mar 4 – Apr 1 |
| Harvest | Dec 4 – Dec 18 |
Tip: A cool-season crop. Sow early and again in late summer for fall; it bolts in summer heat.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →