Frost Report

All states California

Frost dates for Huntington Lake, 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

June 1

typical year

Safe to plant

June 18

frost is over in 9 of 10 years

First fall frost

October 6

typical year

Growing season

129 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 – May 4 – 18 –
Spinach – Apr 20 – May 11 Aug 11 – 25
Lettuce – May 4 – 25 Aug 11 – 25
Radishes – May 4 – Jun 15 Aug 25 – Sep 8
Onions – May 4 – 18 –
Potatoes – May 11 – 25 –
Carrots – May 11 – Jun 1 Jul 14 – 28
Beets – May 4 – 18 Jul 28 – Aug 11
Kale Mar 23 – Apr 6 May 4 – 18 Jul 28 – Aug 11
Broccoli Mar 23 – Apr 6 May 18 – Jun 1 Jul 28 – Aug 11
Cabbage Mar 9 – 23 May 4 – 18 Jul 28 – Aug 11
Garlic – – Aug 25 – Sep 15
Warm-season crops
Tomatoes Apr 23 – May 7 Jun 18 – Jul 2 –
Peppers Apr 16 – 30 Jun 25 – Jul 9 –
Cucumbers – Jun 18 – Jul 9 –
Zucchini – Jun 18 – Jul 16 –
Pumpkins – Jun 18 – Jul 9 –
Green beans – Jun 18 – Jul 28 –
Sweet corn – Jun 18 – Jul 16 –
Basil May 14 – 28 Jun 25 – Jul 2 –

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 June 18June 1May 13
Fall frost before September 19October 6October 30

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 May 12 (June 4 in a late year), and the first one in fall around October 25.

Where these dates come from

NOAA weather station HUNTINGTON LAKE, CA US (USC00044176), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 12 miles:

93605, 93634

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