Frost Report

All states California

Frost dates for Ridgecrest, 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

March 11

typical year

Safe to plant

April 9

frost is over in 9 of 10 years

First fall frost

November 12

typical year

Growing season

244 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 – Feb 11 – 25 –
Spinach – Jan 28 – Feb 18 Sep 17 – Oct 1
Lettuce – Feb 11 – Mar 4 Sep 17 – Oct 1
Radishes – Feb 11 – Mar 25 Oct 1 – 15
Onions – Feb 11 – 25 –
Potatoes – Feb 18 – Mar 4 –
Carrots – Feb 18 – Mar 11 Aug 20 – Sep 3
Beets – Feb 11 – 25 Sep 3 – 17
Kale Dec 31 – Jan 14 Feb 11 – 25 Sep 3 – 17
Broccoli Dec 31 – Jan 14 Feb 25 – Mar 11 Sep 3 – 17
Cabbage Dec 17 – 31 Feb 11 – 25 Sep 3 – 17
Garlic – – Oct 1 – 22
Warm-season crops
Tomatoes Feb 12 – 26 Apr 9 – 23 –
Peppers Feb 5 – 19 Apr 16 – 30 –
Cucumbers – Apr 9 – 30 –
Zucchini – Apr 9 – May 7 –
Pumpkins – Apr 9 – 30 –
Green beans – Apr 9 – Sep 3 –
Sweet corn – Apr 9 – May 7 –
Basil Mar 5 – 19 Apr 16 – 23 –

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 April 9March 11February 18
Fall frost before October 29November 12November 25

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 February 20 (March 9 in a late year), and the first one in fall around November 23.

Towns that use these dates

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

Ridgecrest

Where these dates come from

NOAA weather station CHINA LAKE NAF, CA US (USW00093104), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 7 miles:

93555

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