When to plant Swiss Chard in Zone 10a
In Zone 10a, Swiss Chard: direct sow outdoors around Jan 17–Feb 14. Expect to harvest around Mar 13–Apr 10.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 17 – Feb 14 |
| Harvest | Mar 13 – Apr 10 |
Tip: Heat- and cold-tolerant; pick outer leaves and it keeps producing all season.
Zone 10a averages a last spring frost around Jan 31 and a first fall frost around Dec 28. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10a calendar in the tool →