Frost Report

All states California

Frost dates for Oxnard, 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

December 31

typical year

Safe to plant

February 2

frost is over in 9 of 10 years

First fall frost

December 28

typical year

Growing season

365 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 3 – 17 –
Spinach – Nov 19 – Dec 10 Nov 2 – 16
Lettuce – Dec 3 – 24 Nov 2 – 16
Radishes – Dec 3 – Jan 14 Nov 16 – 30
Onions – Dec 3 – 17 –
Potatoes – Dec 10 – 24 –
Carrots – Dec 10 – 31 Oct 5 – 19
Beets – Dec 3 – 17 Oct 19 – Nov 2
Kale Oct 22 – Nov 5 Dec 3 – 17 Oct 19 – Nov 2
Broccoli Oct 22 – Nov 5 Dec 17 – 31 Oct 19 – Nov 2
Cabbage Oct 8 – 22 Dec 3 – 17 Oct 19 – Nov 2
Garlic – – Nov 16 – Dec 7
Warm-season crops
Tomatoes Dec 8 – 22 Feb 2 – 16 –
Peppers Dec 1 – 15 Feb 9 – 23 –
Cucumbers – Feb 2 – 23 –
Zucchini – Feb 2 – Mar 2 –
Pumpkins – Feb 2 – 23 –
Green beans – Feb 2 – Oct 19 –
Sweet corn – Feb 2 – Mar 2 –
Basil Dec 29 – Jan 12 Feb 9 – 16 –

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 2December 31December 11
Fall frost before December 7December 28January 29

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 n/a (n/a in a late year), and the first one in fall around n/a.

Towns that use these dates

This is the nearest NOAA station with frost records for 7 towns.

Oxnard, Thousand Oaks, Ventura, Camarillo, Moorpark, Santa Paula, Fillmore

Where these dates come from

NOAA weather station CAMARILLO AP, CA US (USW00023136), 1991–2020 climate normals. It's the nearest station for 11 zip codes, all within 13 miles:

91320, 91360, 91361, 93003, 93004, 93010, 93012, 93021, 93030, 93036, 93066

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