Frost Report

All states New Mexico

Frost dates for Fort Sumner, NM

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 18

typical year

Safe to plant

May 1

frost is over in 9 of 10 years

First fall frost

October 26

typical year

Growing season

190 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 21 – Apr 4 –
Spinach – Mar 7 – 28 Aug 31 – Sep 14
Lettuce – Mar 21 – Apr 11 Aug 31 – Sep 14
Radishes – Mar 21 – May 2 Sep 14 – 28
Onions – Mar 21 – Apr 4 –
Potatoes – Mar 28 – Apr 11 –
Carrots – Mar 28 – Apr 18 Aug 3 – 17
Beets – Mar 21 – Apr 4 Aug 17 – 31
Kale Feb 7 – 21 Mar 21 – Apr 4 Aug 17 – 31
Broccoli Feb 7 – 21 Apr 4 – 18 Aug 17 – 31
Cabbage Jan 24 – Feb 7 Mar 21 – Apr 4 Aug 17 – 31
Garlic – – Sep 14 – Oct 5
Warm-season crops
Tomatoes Mar 6 – 20 May 1 – 15 –
Peppers Feb 27 – Mar 13 May 8 – 22 –
Cucumbers – May 1 – 22 –
Zucchini – May 1 – 29 –
Pumpkins – May 1 – 22 –
Green beans – May 1 – Aug 17 –
Sweet corn – May 1 – 29 –
Basil Mar 27 – Apr 10 May 8 – 15 –

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 1April 18April 1
Fall frost before October 14October 26November 6

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 3 (April 23 in a late year), and the first one in fall around November 3.

Towns that use these dates

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

Fort Sumner

Where these dates come from

NOAA weather station FT SUMNER 5 S, NM US (USC00293296), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 14 miles:

88119, 88134

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