When to plant Mint in Zone 3a
In Zone 3a, Mint: transplant outdoors around May 25–Jun 8. Expect to harvest around Aug 8–Aug 22.
| Step | When |
|---|---|
| Transplant outdoors | May 25 – Jun 8 |
| Harvest | Aug 8 – Aug 22 |
Tip: Vigorous to the point of invasive — grow it in a pot or buried container to contain the roots.
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 →