Frost Report

All states Kansas

Frost dates for Kingman, KS

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 15

typical year

Safe to plant

April 30

frost is over in 9 of 10 years

First fall frost

October 21

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 18 – Apr 1 –
Spinach – Mar 4 – 25 Aug 26 – Sep 9
Lettuce – Mar 18 – Apr 8 Aug 26 – Sep 9
Radishes – Mar 18 – Apr 29 Sep 9 – 23
Onions – Mar 18 – Apr 1 –
Potatoes – Mar 25 – Apr 8 –
Carrots – Mar 25 – Apr 15 Jul 29 – Aug 12
Beets – Mar 18 – Apr 1 Aug 12 – 26
Kale Feb 4 – 18 Mar 18 – Apr 1 Aug 12 – 26
Broccoli Feb 4 – 18 Apr 1 – 15 Aug 12 – 26
Cabbage Jan 21 – Feb 4 Mar 18 – Apr 1 Aug 12 – 26
Garlic – – Sep 9 – 30
Warm-season crops
Tomatoes Mar 5 – 19 Apr 30 – May 14 –
Peppers Feb 26 – Mar 12 May 7 – 21 –
Cucumbers – Apr 30 – May 21 –
Zucchini – Apr 30 – May 28 –
Pumpkins – Apr 30 – May 21 –
Green beans – Apr 30 – Aug 12 –
Sweet corn – Apr 30 – May 28 –
Basil Mar 26 – Apr 9 May 7 – 14 –

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 30April 15April 1
Fall frost before October 5October 21November 4

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 5 (April 20 in a late year), and the first one in fall around October 31.

Towns that use these dates

This is the nearest NOAA station with frost records for 6 towns.

Kingman, Cunningham, Turon, Zenda, Spivey, Penalosa

Where these dates come from

NOAA weather station KINGMAN, KS US (USC00144313), 1991–2020 climate normals. It's the nearest station for 4 zip codes, all within 15 miles:

67035, 67068, 67111, 67142

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