Frost Report

All states California

Frost dates for Stockton, 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

February 5

typical year

Safe to plant

March 11

frost is over in 9 of 10 years

First fall frost

December 8

typical year

Growing season

305 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 – Jan 8 – 22 –
Spinach – Dec 25 – Jan 15 Oct 13 – 27
Lettuce – Jan 8 – 29 Oct 13 – 27
Radishes – Jan 8 – Feb 19 Oct 27 – Nov 10
Onions – Jan 8 – 22 –
Potatoes – Jan 15 – 29 –
Carrots – Jan 15 – Feb 5 Sep 15 – 29
Beets – Jan 8 – 22 Sep 29 – Oct 13
Kale Nov 27 – Dec 11 Jan 8 – 22 Sep 29 – Oct 13
Broccoli Nov 27 – Dec 11 Jan 22 – Feb 5 Sep 29 – Oct 13
Cabbage Nov 13 – 27 Jan 8 – 22 Sep 29 – Oct 13
Garlic – – Oct 27 – Nov 17
Warm-season crops
Tomatoes Jan 14 – 28 Mar 11 – 25 –
Peppers Jan 7 – 21 Mar 18 – Apr 1 –
Cucumbers – Mar 11 – Apr 1 –
Zucchini – Mar 11 – Apr 8 –
Pumpkins – Mar 11 – Apr 1 –
Green beans – Mar 11 – Sep 29 –
Sweet corn – Mar 11 – Apr 8 –
Basil Feb 4 – 18 Mar 18 – 25 –

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 March 11February 5December 27
Fall frost before November 17December 8January 6

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 January 11 (February 21 in a late year), and the first one in fall around December 23.

Towns that use these dates

This is the nearest NOAA station with frost records for 1 town.

Stockton

Where these dates come from

NOAA weather station STOCKTON FIRE STN 4, CA US (USC00048560), 1991–2020 climate normals. It's the nearest station for 10 zip codes, all within 11 miles:

95202, 95203, 95204, 95205, 95206, 95207, 95209, 95210, 95211, 95219

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