Seed-start answer
Radishes is usually direct-sown around Feb 1
This uses ZIP 78205, the San Antonio frost station, and the Mar 1 last-frost estimate.
Seed starting schedule
Radishes dates for San Antonio, TX
| Step | Date | How to use it |
|---|---|---|
| Direct Sow | February 1, 2026 | Sow seed outside when the crop and soil can handle the window. |