Frost Report

All states Missouri

Frost dates for Kansas City, MO

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 4

typical year

Safe to plant

April 20

frost is over in 9 of 10 years

First fall frost

November 2

typical year

Growing season

211 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 7 – 21 –
Spinach – Feb 21 – Mar 14 Sep 7 – 21
Lettuce – Mar 7 – 28 Sep 7 – 21
Radishes – Mar 7 – Apr 18 Sep 21 – Oct 5
Onions – Mar 7 – 21 –
Potatoes – Mar 14 – 28 –
Carrots – Mar 14 – Apr 4 Aug 10 – 24
Beets – Mar 7 – 21 Aug 24 – Sep 7
Kale Jan 24 – Feb 7 Mar 7 – 21 Aug 24 – Sep 7
Broccoli Jan 24 – Feb 7 Mar 21 – Apr 4 Aug 24 – Sep 7
Cabbage Jan 10 – 24 Mar 7 – 21 Aug 24 – Sep 7
Garlic – – Sep 21 – Oct 12
Warm-season crops
Tomatoes Feb 23 – Mar 9 Apr 20 – May 4 –
Peppers Feb 16 – Mar 2 Apr 27 – May 11 –
Cucumbers – Apr 20 – May 11 –
Zucchini – Apr 20 – May 18 –
Pumpkins – Apr 20 – May 11 –
Green beans – Apr 20 – Aug 24 –
Sweet corn – Apr 20 – May 18 –
Basil Mar 16 – 30 Apr 27 – May 4 –

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 20April 4March 17
Fall frost before October 21November 2November 16

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 March 26 (April 10 in a late year), and the first one in fall around November 11.

Towns that use these dates

This is the nearest NOAA station with frost records for 25 towns.

Kansas City, Kansas City, KS, Gladstone, Prairie Village, KS, Merriam, KS, Mission, KS, Roeland Park, KS, North Kansas City, Riverside, Fairway, KS, Mission Hills, KS, Pleasant Valley, Westwood, KS, Claycomo, Glenaire, Avondale, Westwood Hills, KS, Oakview, Northmoor, Houston Lake, Mission Woods, KS, Oakwood, Oakwood Park, Oaks, Randolph

Where these dates come from

NOAA weather station KANSAS CITY DOWNTOWN AP, MO US (USW00013988), 1991–2020 climate normals. It's the nearest station for 38 zip codes, all within 10 miles:

64101, 64102, 64105, 64106, 64108, 64109, 64110, 64111, 64112, 64113, 64116, 64117, 64118, 64119, 64120, 64123, 64124, 64125, 64126, 64127, 64128, 64130, 64150, 64151, 64158, 66101, 66102, 66103, 66104, 66105, 66106, 66115, 66118, 66160, 66202, 66203, 66205, 66208

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