Seed-start answer
Carrots is usually direct-sown around Jan 25
In ZIP 95113, carrots is usually direct-sown around Jan 25 instead of started indoors.
Source: san-jose-mineta frost station, USDA zone 9b, 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 95113, the San Jose frost station, and the Feb 15 last-frost estimate.
Seed starting schedule
Carrots dates for San Jose, CA
| Step | Date | How to use it |
|---|---|---|
| Direct Sow | January 25, 2026 | Sow seed outside when the crop and soil can handle the window. |