Frost Report

All states Kentucky

Frost dates for Florence, KY

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 18

typical year

Safe to plant

May 7

frost is over in 9 of 10 years

First fall frost

October 25

typical year

Growing season

188 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 21 – Apr 4 –
Spinach – Mar 7 – 28 Aug 30 – Sep 13
Lettuce – Mar 21 – Apr 11 Aug 30 – Sep 13
Radishes – Mar 21 – May 2 Sep 13 – 27
Onions – Mar 21 – Apr 4 –
Potatoes – Mar 28 – Apr 11 –
Carrots – Mar 28 – Apr 18 Aug 2 – 16
Beets – Mar 21 – Apr 4 Aug 16 – 30
Kale Feb 7 – 21 Mar 21 – Apr 4 Aug 16 – 30
Broccoli Feb 7 – 21 Apr 4 – 18 Aug 16 – 30
Cabbage Jan 24 – Feb 7 Mar 21 – Apr 4 Aug 16 – 30
Garlic – – Sep 13 – Oct 4
Warm-season crops
Tomatoes Mar 12 – 26 May 7 – 21 –
Peppers Mar 5 – 19 May 14 – 28 –
Cucumbers – May 7 – 28 –
Zucchini – May 7 – Jun 4 –
Pumpkins – May 7 – 28 –
Green beans – May 7 – Aug 16 –
Sweet corn – May 7 – Jun 4 –
Basil Apr 2 – 16 May 14 – 21 –

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 7April 18April 3
Fall frost before October 12October 25November 5

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 23 in a late year), and the first one in fall around November 3.

Towns that use these dates

This is the nearest NOAA station with frost records for 14 towns.

Florence, Independence, Erlanger, Elsmere, Fort Mitchell, Edgewood, Union, Villa Hills, Fort Wright, Walton, Crescent Springs, Crestview Hills, Lakeside Park, Rising Sun, IN

Where these dates come from

NOAA weather station CINCINNATI NORTHERN KY AP, KY US (USW00093814), 1991–2020 climate normals. It's the nearest station for 7 zip codes, all within 11 miles:

41005, 41017, 41018, 41042, 41051, 41091, 41094

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