Frost Report

All states Minnesota

Frost dates for Hutchinson, 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

April 28

typical year

Safe to plant

May 10

frost is over in 9 of 10 years

First fall frost

October 8

typical year

Growing season

163 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 – Mar 31 – Apr 14 –
Spinach – Mar 17 – Apr 7 Aug 13 – 27
Lettuce – Mar 31 – Apr 21 Aug 13 – 27
Radishes – Mar 31 – May 12 Aug 27 – Sep 10
Onions – Mar 31 – Apr 14 –
Potatoes – Apr 7 – 21 –
Carrots – Apr 7 – 28 Jul 16 – 30
Beets – Mar 31 – Apr 14 Jul 30 – Aug 13
Kale Feb 17 – Mar 3 Mar 31 – Apr 14 Jul 30 – Aug 13
Broccoli Feb 17 – Mar 3 Apr 14 – 28 Jul 30 – Aug 13
Cabbage Feb 3 – 17 Mar 31 – Apr 14 Jul 30 – Aug 13
Garlic – – Aug 27 – Sep 17
Warm-season crops
Tomatoes Mar 15 – 29 May 10 – 24 –
Peppers Mar 8 – 22 May 17 – 31 –
Cucumbers – May 10 – 31 –
Zucchini – May 10 – Jun 7 –
Pumpkins – May 10 – 31 –
Green beans – May 10 – Jul 30 –
Sweet corn – May 10 – Jun 7 –
Basil Apr 5 – 19 May 17 – 24 –

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 10April 28April 15
Fall frost before September 25October 8October 23

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 18 (May 2 in a late year), and the first one in fall around October 19.

Towns that use these dates

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

Hutchinson, Silver Lake, Cedar Mills

Where these dates come from

NOAA weather station HUTCHINSON 1 N, MN US (USC00213962), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 15 miles:

55350, 55354, 55381

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