Frost Report

All states Oklahoma

Frost dates for Grove, 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 16

typical year

Safe to plant

May 1

frost is over in 9 of 10 years

First fall frost

October 20

typical year

Growing season

187 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 19 – Apr 2 –
Spinach – Mar 5 – 26 Aug 25 – Sep 8
Lettuce – Mar 19 – Apr 9 Aug 25 – Sep 8
Radishes – Mar 19 – Apr 30 Sep 8 – 22
Onions – Mar 19 – Apr 2 –
Potatoes – Mar 26 – Apr 9 –
Carrots – Mar 26 – Apr 16 Jul 28 – Aug 11
Beets – Mar 19 – Apr 2 Aug 11 – 25
Kale Feb 5 – 19 Mar 19 – Apr 2 Aug 11 – 25
Broccoli Feb 5 – 19 Apr 2 – 16 Aug 11 – 25
Cabbage Jan 22 – Feb 5 Mar 19 – Apr 2 Aug 11 – 25
Garlic – – Sep 8 – 29
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 11 –
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 16March 31
Fall frost before October 6October 20November 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 3 (April 21 in a late year), and the first one in fall around October 30.

Towns that use these dates

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

Grove, Jay

Where these dates come from

NOAA weather station UPPER SPAVINAW PORT, OK US (USC00349101), 1991–2020 climate normals. It's the nearest station for 1 zip code, all within 7 miles:

74346

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