When to plant Nasturtium in Zone 9b
In Zone 9b, Nasturtium: direct sow outdoors around Feb 15–Mar 1. Expect to harvest around Apr 11–Apr 25.
| Step | When |
|---|---|
| Direct sow outdoors | Feb 15 – Mar 1 |
| Harvest | Apr 11 – Apr 25 |
Tip: Edible flowers and leaves; direct-sow the large seeds where they're to grow — it resents transplanting.
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 →