When to plant Radish in Zone 5b
In Zone 5b, Radish: direct sow outdoors around Apr 2–May 14; direct sow outdoors around Aug 10–Sep 7. Expect to harvest around Apr 30–Jun 11.
| Step | When |
|---|---|
| Direct sow outdoors | Apr 2 – May 14 |
| Direct sow outdoors | Aug 10 – Sep 7 |
| Harvest | Apr 30 – Jun 11 |
| Harvest | Sep 7 – Oct 5 |
Tip: The fastest crop in the garden — sow in succession and harvest before they turn woody.
Zone 5b averages a last spring frost around Apr 30 and a first fall frost around Oct 5. These are zone averages — look up your ZIP for your exact area.
See the full Zone 5b calendar in the tool →