Seed-start answer
Spinach is usually direct-sown around Mar 28
This uses ZIP 46204, the Indianapolis frost station, and the Apr 25 last-frost estimate.
Seed starting schedule
Spinach dates for Indianapolis, IN
| Step | Date | How to use it |
|---|---|---|
| Direct Sow | March 28, 2026 | Sow seed outside when the crop and soil can handle the window. |