Frost Report

All states California

Frost dates for Cecilville, 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

April 27

typical year

Safe to plant

May 17

frost is over in 9 of 10 years

First fall frost

October 21

typical year

Growing season

176 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 – Mar 30 – Apr 13 –
Spinach – Mar 16 – Apr 6 Aug 26 – Sep 9
Lettuce – Mar 30 – Apr 20 Aug 26 – Sep 9
Radishes – Mar 30 – May 11 Sep 9 – 23
Onions – Mar 30 – Apr 13 –
Potatoes – Apr 6 – 20 –
Carrots – Apr 6 – 27 Jul 29 – Aug 12
Beets – Mar 30 – Apr 13 Aug 12 – 26
Kale Feb 16 – Mar 2 Mar 30 – Apr 13 Aug 12 – 26
Broccoli Feb 16 – Mar 2 Apr 13 – 27 Aug 12 – 26
Cabbage Feb 2 – 16 Mar 30 – Apr 13 Aug 12 – 26
Garlic – – Sep 9 – 30
Warm-season crops
Tomatoes Mar 22 – Apr 5 May 17 – 31 –
Peppers Mar 15 – 29 May 24 – Jun 7 –
Cucumbers – May 17 – Jun 7 –
Zucchini – May 17 – Jun 14 –
Pumpkins – May 17 – Jun 7 –
Green beans – May 17 – Aug 12 –
Sweet corn – May 17 – Jun 14 –
Basil Apr 12 – 26 May 24 – 31 –

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 May 17April 27April 9
Fall frost before October 7October 21November 7

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 April 2 (April 23 in a late year), and the first one in fall around November 6.

Where these dates come from

NOAA weather station CECILVILLE, CA US (USC00041606), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 19 miles:

95527, 96010, 96031, 96091

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