Frost Report

All states California

Frost dates for Redding, 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 19

typical year

Safe to plant

April 11

frost is over in 9 of 10 years

First fall frost

November 22

typical year

Growing season

250 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 19 – Mar 5 –
Spinach – Feb 5 – 26 Sep 27 – Oct 11
Lettuce – Feb 19 – Mar 12 Sep 27 – Oct 11
Radishes – Feb 19 – Apr 2 Oct 11 – 25
Onions – Feb 19 – Mar 5 –
Potatoes – Feb 26 – Mar 12 –
Carrots – Feb 26 – Mar 19 Aug 30 – Sep 13
Beets – Feb 19 – Mar 5 Sep 13 – 27
Kale Jan 8 – 22 Feb 19 – Mar 5 Sep 13 – 27
Broccoli Jan 8 – 22 Mar 5 – 19 Sep 13 – 27
Cabbage Dec 25 – Jan 8 Feb 19 – Mar 5 Sep 13 – 27
Garlic – – Oct 11 – Nov 1
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 13 –
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 19February 17
Fall frost before November 4November 22December 13

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 10 (March 20 in a late year), and the first one in fall around December 11.

Where these dates come from

NOAA weather station REDDING 12 WNW, CA US (USW00004222), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 6 miles:

96033, 96087

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