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Planting calendar for ZIP 95122 (San Jose, CA)

When to plant vegetables in San Jose, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 2, 2026 16 days year to year), first fall frost around Dec 25, 202616 days).

Playing it safe? Spring frost holds off until about Jan 22, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full San Jose, CA planting calendar for dates typical of the whole city.

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Month by month in San Jose, CA

January

February

October

November

December

Understand your frost dates

Frost dates for ZIP 95122: NOAA 1991-2020 normals (USC00047821 SAN JOSE, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.