Last frost date in Germantown, TN

Average last frost
March 22

In Germantown, the last spring frost comes around March 22 in an average year. Wait until April 9 if you want 90% odds of no more frost. The first fall frost usually arrives about November 7, which leaves 230 frost-free days. An early freeze before October 26 happens one year in ten.

Safe after (10% risk)
Apr 9
Average first frost
Nov 7
Frost-free season
230 days
Hard freeze (28°F) ends
Mar 8
Next 7 nights in Germantown

No frost in the next 7 nights

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2251°
  2. FriOct 2351°
  3. SatOct 2451°
  4. SunOct 2551°
  5. MonOct 2651°
  6. TueOct 2753°
  7. WedOct 2850°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 22First frost Nov 7230 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND230 frost-free days
Frost risk through the year at Germantown 4SE, 2.3 miles from Germantown.

Planting calendar for Germantown

Windows count forward or back from the average frost dates above. Click a crop for dates across Tennessee.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMar 29–Apr 12
PumpkinsApr 5–Apr 19
SunflowersMar 22–Apr 12
CucumbersApr 5–Apr 12
CornMar 29–Apr 12
Sweet potatoesApr 12–Apr 26
WatermelonApr 5–Apr 19
Green beansMar 29–Apr 19
ZucchiniMar 29–Apr 12
OkraApr 12–Apr 26
PeppersApr 5–Apr 19
BasilMar 29–Apr 12
Butternut squashMar 29–Apr 12
CantaloupeApr 5–Apr 19
EggplantApr 5–Apr 19
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesFeb 22–Mar 8
OnionsFeb 8–Mar 1
CarrotsMar 1–Apr 5
LettuceMar 8–Mar 29
BroccoliFeb 22–Mar 8
BeetsFeb 22–Apr 5
PeasFeb 8–Feb 22
CabbageFeb 22–Mar 8
RadishesFeb 15–Mar 29
Brussels sproutsMar 8–Mar 22
SpinachFeb 8–Mar 1
CilantroMar 8–Mar 29
KaleFeb 22–Mar 8
Collard greensFeb 22–Mar 8
TurnipsFeb 22–Mar 8
DillMar 22–Apr 5
CeleryMar 29–Apr 5
CauliflowerMar 8–Mar 22
LeeksMar 8–Mar 22
Swiss chardMar 8–Apr 5
ParsleyMar 8–Mar 29
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 24–Nov 28
GarlicOct 17–Nov 21
Daffodil bulbsOct 10–Nov 21
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesFeb 22–Mar 8
AsparagusFeb 22–Mar 8

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 5Mar 22Apr 9Oct 26Nov 7Nov 23
Hard freeze, 28°FFeb 20Mar 8Mar 28Nov 3Nov 18Dec 8

Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.

Where these numbers come from

NOAA station Germantown 4SE (USC00403447) sits 2.3 miles from the center of Germantown at 320 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.

Questions

When is the last frost in Germantown, TN?

The average last frost date in Germantown is March 22, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 9.

When is the first frost in Germantown?

The first frost in fall usually comes around November 7. One year in ten it arrives before October 26.

How long is the growing season in Germantown?

About 230 days between the average last and first frost.

When should I plant tomatoes in Germantown?

Plant tomato seedlings outside from March 29 to April 12. Start seeds indoors six to eight weeks earlier.

Nearby in Tennessee

All 33 cities in Tennessee