Frost Report

All states California

Frost dates for Tulelake, 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 6

typical year

Safe to plant

June 23

frost is over in 9 of 10 years

First fall frost

September 14

typical year

Growing season

97 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 9 – 23 –
Spinach – Apr 25 – May 16 Jul 20 – Aug 3
Lettuce – May 9 – 30 Jul 20 – Aug 3
Radishes – May 9 – Jun 20 Aug 3 – 17
Onions – May 9 – 23 –
Potatoes Season usually too short. Try a quick variety or row covers.
Carrots – May 16 – Jun 6 Jun 22 – Jul 6
Beets – May 9 – 23 Jul 6 – 20
Kale Mar 28 – Apr 11 May 9 – 23 Jul 6 – 20
Broccoli Mar 28 – Apr 11 May 23 – Jun 6 Jul 6 – 20
Cabbage Mar 14 – 28 May 9 – 23 Jul 6 – 20
Garlic – – Aug 3 – 24
Warm-season crops
Tomatoes Apr 28 – May 12 Jun 23 – Jul 7 –
Peppers Apr 21 – May 5 Jun 30 – Jul 14 –
Cucumbers – Jun 23 – Jul 14 –
Zucchini – Jun 23 – Jul 21 –
Pumpkins Season usually too short. Try a quick variety or row covers.
Green beans – Jun 23 – Jul 6 –
Sweet corn Season usually too short. Try a quick variety or row covers.
Basil May 19 – Jun 2 Jun 30 – Jul 7 –

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 23June 6May 18
Fall frost before August 30September 14September 26

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 16 (June 7 in a late year), and the first one in fall around September 27.

Towns that use these dates

This is the nearest NOAA station with frost records for 3 towns.

Merrill, OR, Tulelake, Malin, OR

Where these dates come from

NOAA weather station TULELAKE, CA US (USC00049053), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 9 miles:

96134, 97632, 97633

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