Seed-start answer
Start peppers seeds indoors around Jan 4
In ZIP 78205, start peppers seeds indoors around Jan 4, about 56 days before the Mar 1 last-frost estimate.
Source: san-antonio-intl frost station, USDA zone 9a, 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 78205, the San Antonio frost station, and the Mar 1 last-frost estimate.
Seed starting schedule
Peppers dates for San Antonio, TX
| Step | Date | How to use it |
|---|---|---|
| Start Indoors | January 4, 2026 | Start seeds under lights or in a bright indoor seed-starting space. |
| Transplant Outdoors | March 15, 2026 | Move hardened-off seedlings outside after the frost-risk window. |