Frost Report

All states Michigan

Frost dates for St James Beaver, 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 11

typical year

Safe to plant

May 26

frost is over in 9 of 10 years

First fall frost

October 19

typical year

Growing season

159 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 24 – Sep 7
Lettuce – Apr 13 – May 4 Aug 24 – Sep 7
Radishes – Apr 13 – May 25 Sep 7 – 21
Onions – Apr 13 – 27 –
Potatoes – Apr 20 – May 4 –
Carrots – Apr 20 – May 11 Jul 27 – Aug 10
Beets – Apr 13 – 27 Aug 10 – 24
Kale Mar 2 – 16 Apr 13 – 27 Aug 10 – 24
Broccoli Mar 2 – 16 Apr 27 – May 11 Aug 10 – 24
Cabbage Feb 16 – Mar 2 Apr 13 – 27 Aug 10 – 24
Garlic – – Sep 7 – 28
Warm-season crops
Tomatoes Mar 31 – Apr 14 May 26 – Jun 9 –
Peppers Mar 24 – Apr 7 Jun 2 – 16 –
Cucumbers – May 26 – Jun 16 –
Zucchini – May 26 – Jun 23 –
Pumpkins – May 26 – Jun 16 –
Green beans – May 26 – Aug 10 –
Sweet corn – May 26 – Jun 23 –
Basil Apr 21 – May 5 Jun 2 – 9 –

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 26May 11April 27
Fall frost before October 2October 19November 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 April 30 (May 14 in a late year), and the first one in fall around November 2.

Where these dates come from

NOAA weather station ST JAMES 4SSW BEAVER, MI US (USC00207277), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 5 miles:

49782

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