When to plant Nasturtium in Zone 12b
In Zone 12b, Nasturtium: direct sow outdoors around Jan 1–Jan 15. Expect to harvest around Feb 25–Mar 11.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 1 – Jan 15 |
| Harvest | Feb 25 – Mar 11 |
Tip: Edible flowers and leaves; direct-sow the large seeds where they're to grow — it resents transplanting.
Zone 12b averages a last spring frost around Jan 1 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 12b calendar in the tool →