When to plant Potato in Zone 9b
In Zone 9b, Potato: direct sow outdoors around Feb 1–Mar 1. Expect to harvest around May 2–May 30.
| Step | When |
|---|---|
| Direct sow outdoors | Feb 1 – Mar 1 |
| Harvest | May 2 – May 30 |
Tip: Plant seed potatoes around the last frost and hill soil over the stems as they grow.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →