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Planting calendar for ZIP 91917 (Dulzura, CA)

When to plant vegetables in Dulzura, CA (USDA hardiness zone 10a). Typical last spring frost around Apr 30, 2026 21 days year to year), first fall frost around Oct 26, 202617 days).

Playing it safe? Spring frost holds off until about May 26, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Dulzura, CA

February

March

April

May

June

August

Understand your frost dates

Frost dates for ZIP 91917: NOAA 1991-2020 normals (USC00041424 CAMPO, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.