When to plant Swiss Chard in Zone 6a
In Zone 6a, Swiss Chard: direct sow outdoors around Apr 7–May 5. Expect to harvest around Jun 1–Jun 29.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 7 – May 5 |
| Harvest | Jun 1 – Jun 29 |
Tip: Heat- and cold-tolerant; pick outer leaves and it keeps producing all season.
Zone 6a averages a last spring frost around Apr 21 and a first fall frost around Oct 17. These are zone averages — look up your ZIP for your exact area.
See the full Zone 6a calendar in the tool →