When to plant Cilantro in Zone 4a
In Zone 4a, Cilantro: direct sow outdoors around Apr 24–May 22; direct sow outdoors around Jul 24–Aug 14. Expect to harvest around Jun 8–Jul 6.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 24 – May 22 |
| Direct sow outdoors | Jul 24 – Aug 14 |
| Harvest | Jun 8 – Jul 6 |
| Harvest | Sep 7 – Sep 28 |
Tip: Cool-season herb that bolts fast in heat — succession-sow every few weeks.
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 →