When to plant Garlic in Zone 4a
In Zone 4a, Garlic: direct sow outdoors around Aug 21–Sep 4. Expect to harvest around Apr 18–May 2.
| Step | When |
|---|---|
| Direct sow outdoors | Aug 21 – Sep 4 |
| Harvest | Apr 18 – May 2 |
Tip: Plant cloves in fall, a few weeks before the ground freezes; harvest the following summer.
Zone 4a averages a last spring frost around May 15 and a first fall frost around Sep 18. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4a calendar in the tool →