When to plant Garlic in Zone 4b
In Zone 4b, Garlic: direct sow outdoors around Aug 25–Sep 8. Expect to harvest around Apr 22–May 6.
| Step | When |
|---|---|
| Direct sow outdoors | Aug 25 – Sep 8 |
| Harvest | Apr 22 – May 6 |
Tip: Plant cloves in fall, a few weeks before the ground freezes; harvest the following summer.
Zone 4b averages a last spring frost around May 10 and a first fall frost around Sep 22. These are zone averages — look up your ZIP for your exact area.
See the full Zone 4b calendar in the tool →