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Planting calendar for ZIP 94518 (Concord, CA)

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.

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

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 94518

Month by month in Concord, CA

January

February

October

November

December

Understand your frost dates

Where these dates come from

Frost dates for ZIP 94518 come from NOAA 1991-2020 normals (USW00023254 CONCORD BUCHANAN FLD, CA US). You can look up that station’s record yourself.

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