GrowZone

Seed-start answer

Radishes is usually direct-sown around Feb 25

This uses ZIP 38103, the Memphis frost station, and the Mar 25 last-frost estimate.

Seed starting schedule

Radishes dates for Memphis, TN

StepDateHow to use it
Direct SowFebruary 25, 2026Sow seed outside when the crop and soil can handle the window.