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Concord, CA planting calendar

When to plant vegetables in Concord, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 9, 2026 (±23 days year to year), first fall frost around Dec 14, 2026 (±19 days).

Playing it safe? Spring frost holds off until about Feb 7, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

These dates are typical for the whole city. Enter your ZIP for frost dates from the station nearest you:

Still time to plant

As of today, these crops can still reach harvest before Concord, CA’s first frost (~Dec 14, 2026) — fastest first.

Month by month in Concord, CA

January

February

October

November

December

Understand your frost dates

More California planting calendars

ZIP codes in Concord

94518, 94519, 94520, 94521

Where these dates come from

Frost dates for Concord, CAare NOAA 1991–2020 climate normals from a station representative of the area, which covers 4 ZIP codes. Individual ZIP codes within it can run earlier or later.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.