Seed-start answer
Radishes is usually direct-sown around Jan 2
This uses ZIP 92101, the San Diego frost station, and the Jan 30 last-frost estimate.
Seed starting schedule
Radishes dates for San Diego, CA
| Step | Date | How to use it |
|---|---|---|
| Direct Sow | January 2, 2026 | Sow seed outside when the crop and soil can handle the window. |