Frost Report

All states North Carolina

Frost dates for Oak Island, NC

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

March 24

typical year

Safe to plant

April 10

frost is over in 9 of 10 years

First fall frost

November 17

typical year

Growing season

239 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 – Feb 24 – Mar 10 –
Spinach – Feb 10 – Mar 3 Sep 22 – Oct 6
Lettuce – Feb 24 – Mar 17 Sep 22 – Oct 6
Radishes – Feb 24 – Apr 7 Oct 6 – 20
Onions – Feb 24 – Mar 10 –
Potatoes – Mar 3 – 17 –
Carrots – Mar 3 – 24 Aug 25 – Sep 8
Beets – Feb 24 – Mar 10 Sep 8 – 22
Kale Jan 13 – 27 Feb 24 – Mar 10 Sep 8 – 22
Broccoli Jan 13 – 27 Mar 10 – 24 Sep 8 – 22
Cabbage Dec 30 – Jan 13 Feb 24 – Mar 10 Sep 8 – 22
Garlic – – Oct 6 – 27
Warm-season crops
Tomatoes Feb 13 – 27 Apr 10 – 24 –
Peppers Feb 6 – 20 Apr 17 – May 1 –
Cucumbers – Apr 10 – May 1 –
Zucchini – Apr 10 – May 8 –
Pumpkins – Apr 10 – May 1 –
Green beans – Apr 10 – Sep 8 –
Sweet corn – Apr 10 – May 8 –
Basil Mar 6 – 20 Apr 17 – 24 –

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 10March 24March 1
Fall frost before October 31November 17December 6

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 8 (March 30 in a late year), and the first one in fall around December 1.

Towns that use these dates

This is the nearest NOAA station with frost records for 9 towns.

Oak Island, St. James, Boiling Spring Lakes, Carolina Beach, Southport, Kure Beach, Caswell Beach, Bald Head Island, Bolivia

Where these dates come from

NOAA weather station SOUTHPORT 5 N, NC US (USC00318113), 1991–2020 climate normals. It's the nearest station for 6 zip codes, all within 12 miles:

28422, 28428, 28449, 28461, 28465, 28479

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