Frost Report

All states Virginia

Frost dates for Kilmarnock, VA

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 1

typical year

Safe to plant

April 15

frost is over in 9 of 10 years

First fall frost

November 10

typical year

Growing season

223 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 4 – 18 –
Spinach – Feb 18 – Mar 11 Sep 15 – 29
Lettuce – Mar 4 – 25 Sep 15 – 29
Radishes – Mar 4 – Apr 15 Sep 29 – Oct 13
Onions – Mar 4 – 18 –
Potatoes – Mar 11 – 25 –
Carrots – Mar 11 – Apr 1 Aug 18 – Sep 1
Beets – Mar 4 – 18 Sep 1 – 15
Kale Jan 21 – Feb 4 Mar 4 – 18 Sep 1 – 15
Broccoli Jan 21 – Feb 4 Mar 18 – Apr 1 Sep 1 – 15
Cabbage Jan 7 – 21 Mar 4 – 18 Sep 1 – 15
Garlic – – Sep 29 – Oct 20
Warm-season crops
Tomatoes Feb 18 – Mar 4 Apr 15 – 29 –
Peppers Feb 11 – 25 Apr 22 – May 6 –
Cucumbers – Apr 15 – May 6 –
Zucchini – Apr 15 – May 13 –
Pumpkins – Apr 15 – May 6 –
Green beans – Apr 15 – Sep 1 –
Sweet corn – Apr 15 – May 13 –
Basil Mar 11 – 25 Apr 22 – 29 –

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 15April 1March 20
Fall frost before October 31November 10November 26

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

Towns that use these dates

This is the nearest NOAA station with frost records for 3 towns.

Kilmarnock, Irvington, White Stone

Where these dates come from

NOAA weather station N, VA US (USC00446161), 1991–2020 climate normals. It's the nearest station for 27 zip codes, all within 21 miles:

22480, 22482, 22576, 22578, 23021, 23025, 23035, 23043, 23045, 23050, 23056, 23061, 23066, 23068, 23070, 23071, 23072, 23076, 23092, 23109, 23119, 23128, 23130, 23138, 23163, 23169, 23176

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