Frost Report

All states Tennessee

Frost dates for Germantown, TN

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 22

typical year

Safe to plant

April 9

frost is over in 9 of 10 years

First fall frost

November 7

typical year

Growing season

230 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 22 – Mar 8 –
Spinach – Feb 8 – Mar 1 Sep 12 – 26
Lettuce – Feb 22 – Mar 15 Sep 12 – 26
Radishes – Feb 22 – Apr 5 Sep 26 – Oct 10
Onions – Feb 22 – Mar 8 –
Potatoes – Mar 1 – 15 –
Carrots – Mar 1 – 22 Aug 15 – 29
Beets – Feb 22 – Mar 8 Aug 29 – Sep 12
Kale Jan 11 – 25 Feb 22 – Mar 8 Aug 29 – Sep 12
Broccoli Jan 11 – 25 Mar 8 – 22 Aug 29 – Sep 12
Cabbage Dec 28 – Jan 11 Feb 22 – Mar 8 Aug 29 – Sep 12
Garlic – – Sep 26 – Oct 17
Warm-season crops
Tomatoes Feb 12 – 26 Apr 9 – 23 –
Peppers Feb 5 – 19 Apr 16 – 30 –
Cucumbers – Apr 9 – 30 –
Zucchini – Apr 9 – May 7 –
Pumpkins – Apr 9 – 30 –
Green beans – Apr 9 – Aug 29 –
Sweet corn – Apr 9 – May 7 –
Basil Mar 5 – 19 Apr 16 – 23 –

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 9March 22March 5
Fall frost before October 26November 7November 23

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 28 in a late year), and the first one in fall around November 18.

Towns that use these dates

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

Germantown

Where these dates come from

NOAA weather station GERMANTOWN 4SE, TN US (USC00403447), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 4 miles:

38125, 38139

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