Frost Report

All states Michigan

Frost dates for Pellston, MI

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 31

typical year

Safe to plant

June 21

frost is over in 9 of 10 years

First fall frost

September 18

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 3 – 17 –
Spinach – Apr 19 – May 10 Jul 24 – Aug 7
Lettuce – May 3 – 24 Jul 24 – Aug 7
Radishes – May 3 – Jun 14 Aug 7 – 21
Onions – May 3 – 17 –
Potatoes Season usually too short. Try a quick variety or row covers.
Carrots – May 10 – 31 Jun 26 – Jul 10
Beets – May 3 – 17 Jul 10 – 24
Kale Mar 22 – Apr 5 May 3 – 17 Jul 10 – 24
Broccoli Mar 22 – Apr 5 May 17 – 31 Jul 10 – 24
Cabbage Mar 8 – 22 May 3 – 17 Jul 10 – 24
Garlic – – Aug 7 – 28
Warm-season crops
Tomatoes Apr 26 – May 10 Jun 21 – Jul 5 –
Peppers Apr 19 – May 3 Jun 28 – Jul 12 –
Cucumbers – Jun 21 – Jul 12 –
Zucchini – Jun 21 – Jul 19 –
Pumpkins Season usually too short. Try a quick variety or row covers.
Green beans – Jun 21 – Jul 10 –
Sweet corn – Jun 21 – Jul 19 –
Basil May 17 – 31 Jun 28 – Jul 5 –

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 21May 31May 16
Fall frost before September 2September 18October 3

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 19 (June 2 in a late year), and the first one in fall around October 1.

Towns that use these dates

This is the nearest NOAA station with frost records for 2 towns.

Pellston, Alanson

Where these dates come from

NOAA weather station PELLSTON RGNL AP, MI US (USW00014841), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 14 miles:

49706, 49716, 49717, 49749, 49769

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