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Planting calendar for ZIP 95688 (Vacaville, CA)

When to plant vegetables in Vacaville, CA (USDA hardiness zone 9b). Typical last spring frost around Feb 18, 2026 (±29 days year to year), first fall frost around Nov 28, 2026 (±14 days).

Playing it safe? Spring frost holds off until about Mar 27, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Vacaville, 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 95688

Month by month in Vacaville, CA

January

February

March

April

September

December

Understand your frost dates

Where these dates come from

Frost dates for ZIP 95688 come from NOAA 1991-2020 normals (USW00093241 VACAVILLE NUT TREE AP, 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.