Frost Report

All states California

Frost dates for Big Bear 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

May 27

typical year

Safe to plant

June 9

frost is over in 9 of 10 years

First fall frost

October 4

typical year

Growing season

131 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 – Apr 29 – May 13 –
Spinach – Apr 15 – May 6 Aug 9 – 23
Lettuce – Apr 29 – May 20 Aug 9 – 23
Radishes – Apr 29 – Jun 10 Aug 23 – Sep 6
Onions – Apr 29 – May 13 –
Potatoes – May 6 – 20 –
Carrots – May 6 – 27 Jul 12 – 26
Beets – Apr 29 – May 13 Jul 26 – Aug 9
Kale Mar 18 – Apr 1 Apr 29 – May 13 Jul 26 – Aug 9
Broccoli Mar 18 – Apr 1 May 13 – 27 Jul 26 – Aug 9
Cabbage Mar 4 – 18 Apr 29 – May 13 Jul 26 – Aug 9
Garlic – – Aug 23 – Sep 13
Warm-season crops
Tomatoes Apr 14 – 28 Jun 9 – 23 –
Peppers Apr 7 – 21 Jun 16 – 30 –
Cucumbers – Jun 9 – 30 –
Zucchini – Jun 9 – Jul 7 –
Pumpkins – Jun 9 – 30 –
Green beans – Jun 9 – Jul 26 –
Sweet corn – Jun 9 – Jul 7 –
Basil May 5 – 19 Jun 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 June 9May 27May 6
Fall frost before September 21October 4October 20

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 4 (May 27 in a late year), and the first one in fall around October 20.

Towns that use these dates

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

Big Bear Lake

Where these dates come from

NOAA weather station BIG BEAR LAKE, CA US (USC00040741), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 18 miles:

92305, 92314, 92315, 92333, 92339, 92356, 92386

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