When to plant Potato in Zone 3a
In Zone 3a, Potato: direct sow outdoors around May 11–Jun 8. Expect to harvest around Aug 9–Sep 6.
| Step | When |
|---|---|
| Direct sow outdoors | May 11 – Jun 8 |
| Harvest | Aug 9 – Sep 6 |
Tip: Plant seed potatoes around the last frost and hill soil over the stems as they grow.
Zone 3a averages a last spring frost around May 25 and a first fall frost around Sep 8. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3a calendar in the tool →