Frost Report

All states Missouri

Frost dates for Macon, MO

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 8

typical year

Safe to plant

April 24

frost is over in 9 of 10 years

First fall frost

October 28

typical year

Growing season

201 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 11 – 25 –
Spinach – Feb 25 – Mar 18 Sep 2 – 16
Lettuce – Mar 11 – Apr 1 Sep 2 – 16
Radishes – Mar 11 – Apr 22 Sep 16 – 30
Onions – Mar 11 – 25 –
Potatoes – Mar 18 – Apr 1 –
Carrots – Mar 18 – Apr 8 Aug 5 – 19
Beets – Mar 11 – 25 Aug 19 – Sep 2
Kale Jan 28 – Feb 11 Mar 11 – 25 Aug 19 – Sep 2
Broccoli Jan 28 – Feb 11 Mar 25 – Apr 8 Aug 19 – Sep 2
Cabbage Jan 14 – 28 Mar 11 – 25 Aug 19 – Sep 2
Garlic – – Sep 16 – Oct 7
Warm-season crops
Tomatoes Feb 27 – Mar 13 Apr 24 – May 8 –
Peppers Feb 20 – Mar 6 May 1 – 15 –
Cucumbers – Apr 24 – May 15 –
Zucchini – Apr 24 – May 22 –
Pumpkins – Apr 24 – May 15 –
Green beans – Apr 24 – Aug 19 –
Sweet corn – Apr 24 – May 22 –
Basil Mar 20 – Apr 3 May 1 – 8 –

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 April 24April 8March 23
Fall frost before October 14October 28November 10

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 March 29 (April 12 in a late year), and the first one in fall around November 5.

Towns that use these dates

This is the nearest NOAA station with frost records for 7 towns.

Macon, Bevier, Atlanta, Callao, New Cambria, Jacksonville, Ethel

Where these dates come from

NOAA weather station LONG BRANCH RSVR, MO US (USC00235050), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 13 miles:

63431, 63530, 63532, 63534, 63552, 63558, 65247

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