When to plant Nasturtium in Zone 10a
In Zone 10a, Nasturtium: direct sow outdoors around Jan 31–Feb 14. Expect to harvest around Mar 27–Apr 10.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 31 – Feb 14 |
| Harvest | Mar 27 – Apr 10 |
Tip: Edible flowers and leaves; direct-sow the large seeds where they're to grow — it resents transplanting.
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 →