Frost Report

All states Oklahoma

Frost dates for Goodwell, OK

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 24

typical year

Safe to plant

May 6

frost is over in 9 of 10 years

First fall frost

October 19

typical year

Growing season

178 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 27 – Apr 10 –
Spinach – Mar 13 – Apr 3 Aug 24 – Sep 7
Lettuce – Mar 27 – Apr 17 Aug 24 – Sep 7
Radishes – Mar 27 – May 8 Sep 7 – 21
Onions – Mar 27 – Apr 10 –
Potatoes – Apr 3 – 17 –
Carrots – Apr 3 – 24 Jul 27 – Aug 10
Beets – Mar 27 – Apr 10 Aug 10 – 24
Kale Feb 13 – 27 Mar 27 – Apr 10 Aug 10 – 24
Broccoli Feb 13 – 27 Apr 10 – 24 Aug 10 – 24
Cabbage Jan 30 – Feb 13 Mar 27 – Apr 10 Aug 10 – 24
Garlic – – Sep 7 – 28
Warm-season crops
Tomatoes Mar 11 – 25 May 6 – 20 –
Peppers Mar 4 – 18 May 13 – 27 –
Cucumbers – May 6 – 27 –
Zucchini – May 6 – Jun 3 –
Pumpkins – May 6 – 27 –
Green beans – May 6 – Aug 10 –
Sweet corn – May 6 – Jun 3 –
Basil Apr 1 – 15 May 13 – 20 –

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 6April 24April 8
Fall frost before October 6October 19November 1

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 13 (April 27 in a late year), and the first one in fall around October 29.

Towns that use these dates

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

Goodwell

Where these dates come from

NOAA weather station GOODWELL RSCH STN, OK US (USC00343628), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 16 miles:

73939

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