Frost Report

All states Texas

Frost dates for Jefferson, TX

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

March 18

typical year

Safe to plant

April 7

frost is over in 9 of 10 years

First fall frost

November 8

typical year

Growing season

236 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 – Feb 18 – Mar 4 –
Spinach – Feb 4 – 25 Sep 13 – 27
Lettuce – Feb 18 – Mar 11 Sep 13 – 27
Radishes – Feb 18 – Apr 1 Sep 27 – Oct 11
Onions – Feb 18 – Mar 4 –
Potatoes – Feb 25 – Mar 11 –
Carrots – Feb 25 – Mar 18 Aug 16 – 30
Beets – Feb 18 – Mar 4 Aug 30 – Sep 13
Kale Jan 7 – 21 Feb 18 – Mar 4 Aug 30 – Sep 13
Broccoli Jan 7 – 21 Mar 4 – 18 Aug 30 – Sep 13
Cabbage Dec 24 – Jan 7 Feb 18 – Mar 4 Aug 30 – Sep 13
Garlic – – Sep 27 – Oct 18
Warm-season crops
Tomatoes Feb 10 – 24 Apr 7 – 21 –
Peppers Feb 3 – 17 Apr 14 – 28 –
Cucumbers – Apr 7 – 28 –
Zucchini – Apr 7 – May 5 –
Pumpkins – Apr 7 – 28 –
Green beans – Apr 7 – Aug 30 –
Sweet corn – Apr 7 – May 5 –
Basil Mar 3 – 17 Apr 14 – 21 –

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 7March 18February 28
Fall frost before October 26November 8November 30

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 3 (March 22 in a late year), and the first one in fall around November 22.

Towns that use these dates

This is the nearest NOAA station with frost records for 1 town.

Jefferson

Where these dates come from

NOAA weather station JEFFERSON, TX US (USC00414577), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 13 miles:

75562, 75564, 75651, 75657, 75694

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