When to plant Spinach in Zone 5a
In Zone 5a, Spinach: direct sow outdoors around Mar 24–Apr 21; direct sow outdoors around Aug 6–Aug 27. Expect to harvest around May 3–May 31.
| Step | When |
|---|---|
| Direct sow outdoors | Mar 24 – Apr 21 |
| Direct sow outdoors | Aug 6 – Aug 27 |
| Harvest | May 3 – May 31 |
| Harvest | Sep 15 – Oct 6 |
Tip: Very cold-hardy; sow as soon as soil can be worked, and again in fall. Bolts in heat.
Zone 5a averages a last spring frost around May 5 and a first fall frost around Oct 1. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5a calendar in the tool →