Frost Report

All states California

Frost dates for Palmdale, 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 10

typical year

Safe to plant

April 11

frost is over in 9 of 10 years

First fall frost

November 19

typical year

Growing season

248 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 10 – 24 –
Spinach – Jan 27 – Feb 17 Sep 24 – Oct 8
Lettuce – Feb 10 – Mar 3 Sep 24 – Oct 8
Radishes – Feb 10 – Mar 24 Oct 8 – 22
Onions – Feb 10 – 24 –
Potatoes – Feb 17 – Mar 3 –
Carrots – Feb 17 – Mar 10 Aug 27 – Sep 10
Beets – Feb 10 – 24 Sep 10 – 24
Kale Dec 30 – Jan 13 Feb 10 – 24 Sep 10 – 24
Broccoli Dec 30 – Jan 13 Feb 24 – Mar 10 Sep 10 – 24
Cabbage Dec 16 – 30 Feb 10 – 24 Sep 10 – 24
Garlic – – Oct 8 – 29
Warm-season crops
Tomatoes Feb 14 – 28 Apr 11 – 25 –
Peppers Feb 7 – 21 Apr 18 – May 2 –
Cucumbers – Apr 11 – May 2 –
Zucchini – Apr 11 – May 9 –
Pumpkins – Apr 11 – May 2 –
Green beans – Apr 11 – Sep 10 –
Sweet corn – Apr 11 – May 9 –
Basil Mar 7 – 21 Apr 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 April 11March 10February 12
Fall frost before November 3November 19December 4

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 13 (March 17 in a late year), and the first one in fall around December 1.

Towns that use these dates

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

Palmdale

Where these dates come from

NOAA weather station PALMDALE, CA US (USC00046624), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 12 miles:

93510, 93551, 93552

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