When to plant Potato in Zone 12b
In Zone 12b, Potato: direct sow outdoors around Dec 18–Jan 15. Expect to harvest around Mar 18–Apr 15.
| Step | When |
|---|---|
| Direct sow outdoors | Dec 18 – Jan 15 |
| Harvest | Mar 18 – Apr 15 |
Tip: Plant seed potatoes around the last frost and hill soil over the stems as they grow.
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 →