Frost Report

All states California

Frost dates for Yuba City, CA

When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.

Last spring frost

January 15

typical year

Safe to plant

February 18

frost is over in 9 of 10 years

First fall frost

December 12

typical year

Growing season

333 days

frost-free, typical year

When to plant

Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.

CropStart indoorsPlant outsideFall planting
Cool-season crops
Peas – Dec 18 – Jan 1 –
Spinach – Dec 4 – 25 Oct 17 – 31
Lettuce – Dec 18 – Jan 8 Oct 17 – 31
Radishes – Dec 18 – Jan 29 Oct 31 – Nov 14
Onions – Dec 18 – Jan 1 –
Potatoes – Dec 25 – Jan 8 –
Carrots – Dec 25 – Jan 15 Sep 19 – Oct 3
Beets – Dec 18 – Jan 1 Oct 3 – 17
Kale Nov 6 – 20 Dec 18 – Jan 1 Oct 3 – 17
Broccoli Nov 6 – 20 Jan 1 – 15 Oct 3 – 17
Cabbage Oct 23 – Nov 6 Dec 18 – Jan 1 Oct 3 – 17
Garlic – – Oct 31 – Nov 21
Warm-season crops
Tomatoes Dec 24 – Jan 7 Feb 18 – Mar 4 –
Peppers Dec 17 – 31 Feb 25 – Mar 11 –
Cucumbers – Feb 18 – Mar 11 –
Zucchini – Feb 18 – Mar 18 –
Pumpkins – Feb 18 – Mar 11 –
Green beans – Feb 18 – Oct 3 –
Sweet corn – Feb 18 – Mar 18 –
Basil Jan 14 – 28 Feb 25 – Mar 4 –

Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.

The year at a glance

Start indoors Plant outside Fall planting

The chance of frost, by date

1 year in 10Half of years9 years in 10
Spring frost after February 18January 15December 18
Fall frost before November 24December 12January 9

Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.

Hard freeze (28°F)

A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around December 31 (January 24 in a late year), and the first one in fall around December 24.

Towns that use these dates

This is the nearest NOAA station with frost records for 3 towns.

Yuba City, Marysville, Live Oak

Where these dates come from

NOAA weather station MARYSVILLE, CA US (USC00045385), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 13 miles:

95901, 95953

Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.