When to plant Cilantro in Zone 5b
In Zone 5b, Cilantro: direct sow outdoors around Apr 9–May 7; direct sow outdoors around Aug 10–Aug 31. Expect to harvest around May 24–Jun 21.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 9 – May 7 |
| Direct sow outdoors | Aug 10 – Aug 31 |
| Harvest | May 24 – Jun 21 |
| Harvest | Sep 24 – Oct 15 |
Tip: Cool-season herb that bolts fast in heat — succession-sow every few weeks.
Zone 5b averages a last spring frost around Apr 30 and a first fall frost around Oct 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5b calendar in the tool →