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Pasadena, CA planting calendar

When to plant vegetables in Pasadena, CA (USDA hardiness zone 10a). Typical last spring frost around Jan 8, 2026 23 days year to year), first fall frost around Jan 7, 202622 days).

Playing it safe? Spring frost holds off until about Feb 6, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

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Month by month in Pasadena, CA

January

February

October

November

December

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Pasadena, CA (covering 6 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.