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Planting calendar for ZIP 93516 (Boron, CA)

When to plant vegetables in Boron, CA (USDA hardiness zone 8b). Typical last spring frost around Mar 19, 2026 20 days year to year), first fall frost around Nov 25, 202615 days).

Playing it safe? Spring frost holds off until about Apr 13, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Boron, CA

January

February

March

April

September

December

Understand your frost dates

Frost dates for ZIP 93516: NOAA 1991-2020 normals (USC00047253 RANDSBURG, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.