When to plant Nasturtium in Zone 5a
In Zone 5a, Nasturtium: direct sow outdoors around May 5–May 19. Expect to harvest around Jun 29–Jul 13.
| Step | When |
|---|---|
| Direct sow outdoors | May 5 – May 19 |
| Harvest | Jun 29 – Jul 13 |
Tip: Edible flowers and leaves; direct-sow the large seeds where they're to grow — it resents transplanting.
Zone 5a averages a last spring frost around May 5 and a first fall frost around Oct 1. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5a calendar in the tool →