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Planting calendar for ZIP 95135 (San Jose, CA)

When to plant vegetables in San Jose, CA (USDA hardiness zone 9b). Typical last spring frost around May 3, 2026 23 days year to year), first fall frost around Nov 18, 202620 days).

Playing it safe? Spring frost holds off until about Jun 1, 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

February

March

April

May

June

August

September

Understand your frost dates

Frost dates for ZIP 95135: NOAA 1991-2020 normals (USC00045933 MT HAMILTON, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.