When to plant Spinach in Zone 1b
In Zone 1b, Spinach: direct sow outdoors around Apr 29–May 27; direct sow outdoors around Jun 25–Jul 16. Expect to harvest around Jun 8–Jul 6.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 29 – May 27 |
| Direct sow outdoors | Jun 25 – Jul 16 |
| Harvest | Jun 8 – Jul 6 |
| Harvest | Aug 4 – Aug 25 |
Tip: Very cold-hardy; sow as soon as soil can be worked, and again in fall. Bolts in 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 →