When to plant Swiss Chard in Zone 9b
In Zone 9b, Swiss Chard: direct sow outdoors around Feb 1–Mar 1. Expect to harvest around Mar 28–Apr 25.
| Step | When |
|---|---|
| Direct sow outdoors | Feb 1 – Mar 1 |
| Harvest | Mar 28 – Apr 25 |
Tip: Heat- and cold-tolerant; pick outer leaves and it keeps producing all season.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →