When to plant Lettuce in Zone 1b
In Zone 1b, Lettuce: direct sow outdoors around May 13–Jun 10; direct sow outdoors around Jun 25–Jul 9. Expect to harvest around Jun 27–Jul 25.
| Step | When |
|---|---|
| Direct sow outdoors | May 13 – Jun 10 |
| Direct sow outdoors | Jun 25 – Jul 9 |
| Harvest | Jun 27 – Jul 25 |
| Harvest | Aug 9 – Aug 23 |
Tip: A cool-season crop. Sow early and again in late summer for fall; it bolts in summer heat.
Zone 1b averages a last spring frost around Jun 10 and a first fall frost around Aug 20. These are zone averages — look up your ZIP for your exact area.
See the full Zone 1b calendar in the tool →