Seed-start answer
Radishes is usually direct-sown around Feb 25
In ZIP 38103, radishes is usually direct-sown around Feb 25 instead of started indoors.
Source: memphis-intl frost station, USDA zone 8a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.
This uses ZIP 38103, the Memphis frost station, and the Mar 25 last-frost estimate.
Seed starting schedule
Radishes dates for Memphis, TN
| Step | Date | How to use it |
|---|---|---|
| Direct Sow | February 25, 2026 | Sow seed outside when the crop and soil can handle the window. |