Frost Report

All states Louisiana

Frost dates for Jennings, LA

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

February 19

typical year

Safe to plant

March 13

frost is over in 9 of 10 years

First fall frost

December 4

typical year

Growing season

292 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 – Jan 22 – Feb 5 –
Spinach – Jan 8 – 29 Oct 9 – 23
Lettuce – Jan 22 – Feb 12 Oct 9 – 23
Radishes – Jan 22 – Mar 5 Oct 23 – Nov 6
Onions – Jan 22 – Feb 5 –
Potatoes – Jan 29 – Feb 12 –
Carrots – Jan 29 – Feb 19 Sep 11 – 25
Beets – Jan 22 – Feb 5 Sep 25 – Oct 9
Kale Dec 11 – 25 Jan 22 – Feb 5 Sep 25 – Oct 9
Broccoli Dec 11 – 25 Feb 5 – 19 Sep 25 – Oct 9
Cabbage Nov 27 – Dec 11 Jan 22 – Feb 5 Sep 25 – Oct 9
Garlic – – Oct 23 – Nov 13
Warm-season crops
Tomatoes Jan 16 – 30 Mar 13 – 27 –
Peppers Jan 9 – 23 Mar 20 – Apr 3 –
Cucumbers – Mar 13 – Apr 3 –
Zucchini – Mar 13 – Apr 10 –
Pumpkins – Mar 13 – Apr 3 –
Green beans – Mar 13 – Sep 25 –
Sweet corn – Mar 13 – Apr 10 –
Basil Feb 6 – 20 Mar 20 – 27 –

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 March 13February 19January 21
Fall frost before November 12December 4January 4

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 January 31 (March 1 in a late year), and the first one in fall around December 28.

Towns that use these dates

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

Jennings, Welsh, Gueydan, Morse, Mermentau

Where these dates come from

NOAA weather station JENNINGS, LA US (USC00164700), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 15 miles:

70537, 70546, 70556, 70559, 70581, 70591, 70650

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