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Planting calendar for ZIP 93621 (Dunlap, CA)

When to plant vegetables in Dunlap, CA (USDA hardiness zone 9a). Typical last spring frost around Feb 23, 2026 30 days year to year), first fall frost around Dec 12, 202617 days).

Playing it safe? Spring frost holds off until about Apr 2, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Dunlap, CA

January

February

March

April

September

October

December

Understand your frost dates

Frost dates for ZIP 93621: NOAA 1991-2020 normals (USC00040449 BALCH PWR HOUSE, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.