When to plant Swiss Chard in Zone 5b
In Zone 5b, Swiss Chard: direct sow outdoors around Apr 16–May 14. Expect to harvest around Jun 10–Jul 8.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 16 – May 14 |
| Harvest | Jun 10 – Jul 8 |
Tip: Heat- and cold-tolerant; pick outer leaves and it keeps producing all season.
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 →