Frost Report

All states Alabama

Frost dates for Troy, AL

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 10

typical year

Safe to plant

March 30

frost is over in 9 of 10 years

First fall frost

November 21

typical year

Growing season

257 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 10 – 24 –
Spinach – Jan 27 – Feb 17 Sep 26 – Oct 10
Lettuce – Feb 10 – Mar 3 Sep 26 – Oct 10
Radishes – Feb 10 – Mar 24 Oct 10 – 24
Onions – Feb 10 – 24 –
Potatoes – Feb 17 – Mar 3 –
Carrots – Feb 17 – Mar 10 Aug 29 – Sep 12
Beets – Feb 10 – 24 Sep 12 – 26
Kale Dec 30 – Jan 13 Feb 10 – 24 Sep 12 – 26
Broccoli Dec 30 – Jan 13 Feb 24 – Mar 10 Sep 12 – 26
Cabbage Dec 16 – 30 Feb 10 – 24 Sep 12 – 26
Garlic – – Oct 10 – 31
Warm-season crops
Tomatoes Feb 2 – 16 Mar 30 – Apr 13 –
Peppers Jan 26 – Feb 9 Apr 6 – 20 –
Cucumbers – Mar 30 – Apr 20 –
Zucchini – Mar 30 – Apr 27 –
Pumpkins – Mar 30 – Apr 20 –
Green beans – Mar 30 – Sep 12 –
Sweet corn – Mar 30 – Apr 27 –
Basil Feb 23 – Mar 9 Apr 6 – 13 –

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 March 30March 10February 15
Fall frost before November 4November 21December 14

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 February 24 (March 17 in a late year), and the first one in fall around December 7.

Towns that use these dates

This is the nearest NOAA station with frost records for 4 towns.

Troy, Brundidge, Ariton, Banks

Where these dates come from

NOAA weather station TROY, AL US (USC00018323), 1991–2020 climate normals. It's the nearest station for 3 zip codes, all within 22 miles:

36010, 36082, 36311

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