Month planting calendar

What to plant in December in San Jose (95113)

In San Jose, ZIP 95113, zone 9b, here is what you can start indoors, transplant, or direct-sow in December, and what to wait on until later.

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.