Seed-start answer
Carrots is usually direct-sown around Jan 9
In ZIP 92101, carrots is usually direct-sown around Jan 9 instead of started indoors.
Source: san-diego-lindbergh frost station, USDA zone 10b, 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 92101, the San Diego frost station, and the Jan 30 last-frost estimate.
Seed starting schedule
Carrots dates for San Diego, CA
| Step | Date | How to use it |
|---|---|---|
| Direct Sow | January 9, 2026 | Sow seed outside when the crop and soil can handle the window. |