Frost Report

All states Texas

Frost dates for Crystal City, 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

February 10

typical year

Safe to plant

March 9

frost is over in 9 of 10 years

First fall frost

December 10

typical year

Growing season

307 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 13 – 27 –
Spinach – Dec 30 – Jan 20 Oct 15 – 29
Lettuce – Jan 13 – Feb 3 Oct 15 – 29
Radishes – Jan 13 – Feb 24 Oct 29 – Nov 12
Onions – Jan 13 – 27 –
Potatoes – Jan 20 – Feb 3 –
Carrots – Jan 20 – Feb 10 Sep 17 – Oct 1
Beets – Jan 13 – 27 Oct 1 – 15
Kale Dec 2 – 16 Jan 13 – 27 Oct 1 – 15
Broccoli Dec 2 – 16 Jan 27 – Feb 10 Oct 1 – 15
Cabbage Nov 18 – Dec 2 Jan 13 – 27 Oct 1 – 15
Garlic – – Oct 29 – Nov 19
Warm-season crops
Tomatoes Jan 12 – 26 Mar 9 – 23 –
Peppers Jan 5 – 19 Mar 16 – 30 –
Cucumbers – Mar 9 – 30 –
Zucchini – Mar 9 – Apr 6 –
Pumpkins – Mar 9 – 30 –
Green beans – Mar 9 – Oct 1 –
Sweet corn – Mar 9 – Apr 6 –
Basil Feb 2 – 16 Mar 16 – 23 –

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 9February 10January 6
Fall frost before November 19December 10January 9

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 20 (February 28 in a late year), and the first one in fall around December 26.

Towns that use these dates

This is the nearest NOAA station with frost records for 2 towns.

Crystal City, Big Wells

Where these dates come from

NOAA weather station CRYSTAL CITY, TX US (USC00412160), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 21 miles:

78829, 78839, 78872

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