Frost Report

All states California

Frost dates for Truckee, 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 9

typical year

Safe to plant

June 25

frost is over in 9 of 10 years

First fall frost

September 25

typical year

Growing season

108 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 12 – 26 –
Spinach – Apr 28 – May 19 Jul 31 – Aug 14
Lettuce – May 12 – Jun 2 Jul 31 – Aug 14
Radishes – May 12 – Jun 23 Aug 14 – 28
Onions – May 12 – 26 –
Potatoes – May 19 – Jun 2 –
Carrots – May 19 – Jun 9 Jul 3 – 17
Beets – May 12 – 26 Jul 17 – 31
Kale Mar 31 – Apr 14 May 12 – 26 Jul 17 – 31
Broccoli Mar 31 – Apr 14 May 26 – Jun 9 Jul 17 – 31
Cabbage Mar 17 – 31 May 12 – 26 Jul 17 – 31
Garlic – – Aug 14 – Sep 4
Warm-season crops
Tomatoes Apr 30 – May 14 Jun 25 – Jul 9 –
Peppers Apr 23 – May 7 Jul 2 – 16 –
Cucumbers – Jun 25 – Jul 16 –
Zucchini – Jun 25 – Jul 23 –
Pumpkins Season usually too short. Try a quick variety or row covers.
Green beans – Jun 25 – Jul 17 –
Sweet corn – Jun 25 – Jul 23 –
Basil May 21 – Jun 4 Jul 2 – 9 –

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 25June 9May 26
Fall frost before September 9September 25October 10

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 24 (June 10 in a late year), and the first one in fall around October 12.

Towns that use these dates

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

Truckee

Where these dates come from

NOAA weather station TAHOE CITY, CA US (USC00048758), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 13 miles:

95604, 96140, 96145, 96146, 96161

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