When to plant Zucchini in Zone 10b
In Zone 10b, Zucchini: direct sow outdoors around Jan 15–Feb 5. Expect to harvest around Mar 6–Mar 27.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 15 – Feb 5 |
| Harvest | Mar 6 – Mar 27 |
Tip: Fast and prolific. A couple of plants feed a household — don't over-plant.
Zone 10b averages a last spring frost around Jan 15 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10b calendar in the tool →