Frost Report

All states Indiana

Frost dates for Bremen, IN

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 1

typical year

Safe to plant

May 18

frost is over in 9 of 10 years

First fall frost

October 13

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 – Apr 3 – 17 –
Spinach – Mar 20 – Apr 10 Aug 18 – Sep 1
Lettuce – Apr 3 – 24 Aug 18 – Sep 1
Radishes – Apr 3 – May 15 Sep 1 – 15
Onions – Apr 3 – 17 –
Potatoes – Apr 10 – 24 –
Carrots – Apr 10 – May 1 Jul 21 – Aug 4
Beets – Apr 3 – 17 Aug 4 – 18
Kale Feb 20 – Mar 6 Apr 3 – 17 Aug 4 – 18
Broccoli Feb 20 – Mar 6 Apr 17 – May 1 Aug 4 – 18
Cabbage Feb 6 – 20 Apr 3 – 17 Aug 4 – 18
Garlic – – Sep 1 – 22
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 4 –
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 18May 1April 18
Fall frost before September 30October 13October 28

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 21 (May 7 in a late year), and the first one in fall around October 26.

Towns that use these dates

This is the nearest NOAA station with frost records for 4 towns.

Bremen, North Liberty, Lakeville, La Paz

Where these dates come from

NOAA weather station LAKEVILLE, IN US (USC00124782), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 12 miles:

46506, 46536, 46537, 46554, 46574, 46595, 46614

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