Frost Report

All states Minnesota

Frost dates for Hendrum, MN

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 9

typical year

Safe to plant

May 23

frost is over in 9 of 10 years

First fall frost

October 1

typical year

Growing season

143 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 11 – 25 –
Spinach – Mar 28 – Apr 18 Aug 6 – 20
Lettuce – Apr 11 – May 2 Aug 6 – 20
Radishes – Apr 11 – May 23 Aug 20 – Sep 3
Onions – Apr 11 – 25 –
Potatoes – Apr 18 – May 2 –
Carrots – Apr 18 – May 9 Jul 9 – 23
Beets – Apr 11 – 25 Jul 23 – Aug 6
Kale Feb 28 – Mar 14 Apr 11 – 25 Jul 23 – Aug 6
Broccoli Feb 28 – Mar 14 Apr 25 – May 9 Jul 23 – Aug 6
Cabbage Feb 14 – 28 Apr 11 – 25 Jul 23 – Aug 6
Garlic – – Aug 20 – Sep 10
Warm-season crops
Tomatoes Mar 28 – Apr 11 May 23 – Jun 6 –
Peppers Mar 21 – Apr 4 May 30 – Jun 13 –
Cucumbers – May 23 – Jun 13 –
Zucchini – May 23 – Jun 20 –
Pumpkins – May 23 – Jun 13 –
Green beans – May 23 – Jul 23 –
Sweet corn – May 23 – Jun 20 –
Basil Apr 18 – May 2 May 30 – Jun 6 –

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 23May 9April 26
Fall frost before September 18October 1October 16

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 30 (May 14 in a late year), and the first one in fall around October 11.

Towns that use these dates

This is the nearest NOAA station with frost records for 6 towns.

Argusville, ND, Hendrum, Felton, Gardner, ND, Perley, Georgetown

Where these dates come from

NOAA weather station GEORGETOWN 1 E, MN US (USC00213104), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 12 miles:

56536, 56546, 56574, 58005, 58036

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