When to plant Nasturtium in Zone 1b
In Zone 1b, Nasturtium: direct sow outdoors around Jun 10–Jun 24. Expect to harvest around Aug 4–Aug 18.
| Step | When |
|---|---|
| Direct sow outdoors | Jun 10 – Jun 24 |
| Harvest | Aug 4 – Aug 18 |
Tip: Edible flowers and leaves; direct-sow the large seeds where they're to grow — it resents transplanting.
Zone 1b averages a last spring frost around Jun 10 and a first fall frost around Aug 20. These are zone averages — look up your ZIP for your exact area.
See the full Zone 1b calendar in the tool →