When to plant Zucchini in Zone 12b
In Zone 12b, Zucchini: direct sow outdoors around Jan 1–Jan 22. Expect to harvest around Feb 20–Mar 13.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 1 – Jan 22 |
| Harvest | Feb 20 – Mar 13 |
Tip: Fast and prolific. A couple of plants feed a household — don't over-plant.
Zone 12b averages a last spring frost around Jan 1 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 12b calendar in the tool →