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Planting calendar for ZIP 91934 (Jacumba, CA)

When to plant vegetables in Jacumba, CA (USDA hardiness zone 9b). Typical last spring frost around Apr 29, 2026 21 days year to year), first fall frost around Nov 1, 202619 days).

Playing it safe? Spring frost holds off until about May 25, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Jacumba, CA

February

March

April

May

June

August

Understand your frost dates

Frost dates for ZIP 91934: NOAA 1991-2020 normals (USW00003164 CAMPO ASOS, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.