Frost Report

All states North Dakota

Frost dates for Kensal, ND

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 11

typical year

Safe to plant

May 25

frost is over in 9 of 10 years

First fall frost

September 28

typical year

Growing season

139 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 13 – 27 –
Spinach – Mar 30 – Apr 20 Aug 3 – 17
Lettuce – Apr 13 – May 4 Aug 3 – 17
Radishes – Apr 13 – May 25 Aug 17 – 31
Onions – Apr 13 – 27 –
Potatoes – Apr 20 – May 4 –
Carrots – Apr 20 – May 11 Jul 6 – 20
Beets – Apr 13 – 27 Jul 20 – Aug 3
Kale Mar 2 – 16 Apr 13 – 27 Jul 20 – Aug 3
Broccoli Mar 2 – 16 Apr 27 – May 11 Jul 20 – Aug 3
Cabbage Feb 16 – Mar 2 Apr 13 – 27 Jul 20 – Aug 3
Garlic – – Aug 17 – Sep 7
Warm-season crops
Tomatoes Mar 30 – Apr 13 May 25 – Jun 8 –
Peppers Mar 23 – Apr 6 Jun 1 – 15 –
Cucumbers – May 25 – Jun 15 –
Zucchini – May 25 – Jun 22 –
Pumpkins – May 25 – Jun 15 –
Green beans – May 25 – Jul 20 –
Sweet corn – May 25 – Jun 22 –
Basil Apr 20 – May 4 Jun 1 – 8 –

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 25May 11April 28
Fall frost before September 16September 28October 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 2 (May 15 in a late year), and the first one in fall around October 6.

Towns that use these dates

This is the nearest NOAA station with frost records for 4 towns.

Kensal, Woodworth, Pingree, Courtenay

Where these dates come from

NOAA weather station EDMUNDS ARROWWOOD REF, ND US (USC00322536), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 23 miles:

58426, 58455, 58476, 58496

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