When to plant Radish in Zone 3b
In Zone 3b, Radish: direct sow outdoors around Apr 22–Jun 3; direct sow outdoors around Jul 18–Aug 15. Expect to harvest around May 20–Jul 1.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 22 – Jun 3 |
| Direct sow outdoors | Jul 18 – Aug 15 |
| Harvest | May 20 – Jul 1 |
| Harvest | Aug 15 – Sep 12 |
Tip: The fastest crop in the garden — sow in succession and harvest before they turn woody.
Zone 3b averages a last spring frost around May 20 and a first fall frost around Sep 12. These are zone averages — look up your ZIP for your exact area.
See the full Zone 3b calendar in the tool →