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Planting calendar for ZIP 91702 (Azusa, CA)

When to plant vegetables in Azusa, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 8, 2026 26 days year to year), first fall frost around Dec 28, 202623 days).

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

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

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Month by month in Azusa, CA

January

February

September

October

November

December

Understand your frost dates

Frost dates for ZIP 91702: NOAA 1991-2020 normals (USC00047050 POMONA/FAIRPLEX, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.