When to plant Radish in Zone 9b
In Zone 9b, Radish: direct sow outdoors around Jan 18–Mar 1; direct sow outdoors around Oct 20–Nov 17. Expect to harvest around Feb 15–Mar 29.
| Step | When |
|---|---|
| Direct sow outdoors | Jan 18 – Mar 1 |
| Direct sow outdoors | Oct 20 – Nov 17 |
| Harvest | Feb 15 – Mar 29 |
| Harvest | Nov 17 – Dec 15 |
Tip: The fastest crop in the garden — sow in succession and harvest before they turn woody.
Zone 9b averages a last spring frost around Feb 15 and a first fall frost around Dec 15. These are zone averages — look up your ZIP for your exact area.
See the full Zone 9b calendar in the tool →