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Planting calendar for ZIP 94022 (Los Altos, CA)

When to plant vegetables in Los Altos, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 6, 2026 20 days year to year), first fall frost around Dec 23, 202617 days).

Playing it safe? Spring frost holds off until about Jan 31, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Los Altos, CA planting calendar for dates typical of the whole city.

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Month by month in Los Altos, CA

January

February

October

November

December

Understand your frost dates

Frost dates for ZIP 94022: NOAA 1991-2020 normals (USW00023244 MOFFETT FEDERAL AIRFIELD, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.