Frost Report

All states Michigan

Frost dates for Muskegon, 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

April 30

typical year

Safe to plant

May 18

frost is over in 9 of 10 years

First fall frost

October 19

typical year

Growing season

170 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 2 – 16 –
Spinach – Mar 19 – Apr 9 Aug 24 – Sep 7
Lettuce – Apr 2 – 23 Aug 24 – Sep 7
Radishes – Apr 2 – May 14 Sep 7 – 21
Onions – Apr 2 – 16 –
Potatoes – Apr 9 – 23 –
Carrots – Apr 9 – 30 Jul 27 – Aug 10
Beets – Apr 2 – 16 Aug 10 – 24
Kale Feb 19 – Mar 5 Apr 2 – 16 Aug 10 – 24
Broccoli Feb 19 – Mar 5 Apr 16 – 30 Aug 10 – 24
Cabbage Feb 5 – 19 Apr 2 – 16 Aug 10 – 24
Garlic – – Sep 7 – 28
Warm-season crops
Tomatoes Mar 23 – Apr 6 May 18 – Jun 1 –
Peppers Mar 16 – 30 May 25 – Jun 8 –
Cucumbers – May 18 – Jun 8 –
Zucchini – May 18 – Jun 15 –
Pumpkins – May 18 – Jun 8 –
Green beans – May 18 – Aug 10 –
Sweet corn – May 18 – Jun 15 –
Basil Apr 13 – 27 May 25 – Jun 1 –

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 18April 30April 17
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 19 (May 7 in a late year), and the first one in fall around November 2.

Towns that use these dates

This is the nearest NOAA station with frost records for 5 towns.

Muskegon, Norton Shores, Muskegon Heights, Roosevelt Park, North Muskegon

Where these dates come from

NOAA weather station MUSKEGON CO AP, MI US (USW00014840), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 9 miles:

49415, 49440, 49441, 49442, 49443, 49444, 49445

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