When to plant Radish in Zone 1a
In Zone 1a, Radish: direct sow outdoors around May 18–Jun 29; direct sow outdoors around Jun 20–Jul 18. Expect to harvest around Jun 15–Jul 27.
| Step | When |
|---|---|
| Direct sow outdoors | May 18 – Jun 29 |
| Direct sow outdoors | Jun 20 – Jul 18 |
| Harvest | Jun 15 – Jul 27 |
| Harvest | Jul 18 – Aug 15 |
Tip: The fastest crop in the garden — sow in succession and harvest before they turn woody.
Zone 1a averages a last spring frost around Jun 15 and a first fall frost around Aug 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 1a calendar in the tool →