When to plant Nasturtium in Zone 10b
In Zone 10b, Nasturtium: direct sow outdoors around Jan 15–Jan 29. Expect to harvest around Mar 11–Mar 25.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 15 – Jan 29 |
| Harvest | Mar 11 – Mar 25 |
Tip: Edible flowers and leaves; direct-sow the large seeds where they're to grow — it resents transplanting.
Zone 10b averages a last spring frost around Jan 15 and a first fall frost around Dec 31. These are zone averages — look up your ZIP for your exact area.
See the full Zone 10b calendar in the tool →