Frost Report

All states Illinois

Frost dates for Russellville, IL

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 8

typical year

Safe to plant

April 22

frost is over in 9 of 10 years

First fall frost

October 26

typical year

Growing season

200 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 11 – 25 –
Spinach – Feb 25 – Mar 18 Aug 31 – Sep 14
Lettuce – Mar 11 – Apr 1 Aug 31 – Sep 14
Radishes – Mar 11 – Apr 22 Sep 14 – 28
Onions – Mar 11 – 25 –
Potatoes – Mar 18 – Apr 1 –
Carrots – Mar 18 – Apr 8 Aug 3 – 17
Beets – Mar 11 – 25 Aug 17 – 31
Kale Jan 28 – Feb 11 Mar 11 – 25 Aug 17 – 31
Broccoli Jan 28 – Feb 11 Mar 25 – Apr 8 Aug 17 – 31
Cabbage Jan 14 – 28 Mar 11 – 25 Aug 17 – 31
Garlic – – Sep 14 – Oct 5
Warm-season crops
Tomatoes Feb 25 – Mar 11 Apr 22 – May 6 –
Peppers Feb 18 – Mar 4 Apr 29 – May 13 –
Cucumbers – Apr 22 – May 13 –
Zucchini – Apr 22 – May 20 –
Pumpkins – Apr 22 – May 13 –
Green beans – Apr 22 – Aug 17 –
Sweet corn – Apr 22 – May 20 –
Basil Mar 18 – Apr 1 Apr 29 – May 6 –

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 22April 8March 26
Fall frost before October 13October 26November 7

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 29 (April 12 in a late year), and the first one in fall around November 5.

Towns that use these dates

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

Russellville

Where these dates come from

NOAA weather station LAWRENCEVILLE INTL AP, IL US (USW00013809), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 8 miles:

62427, 62439

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