Last frost date in Lebanon, TN

Average last frost
April 6

The average last frost in Lebanon is April 6. By April 23 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 28, which leaves 206 frost-free days. An early freeze before October 15 happens one year in ten.

Safe after (10% risk)
Apr 23
Average first frost
Oct 28
Frost-free season
206 days
Hard freeze (28°F) ends
Mar 26
Next 7 nights in Lebanon

No frost in the next 7 nights

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

  1. ThuOct 2243°
  2. FriOct 2342°
  3. SatOct 2443°
  4. SunOct 2543°
  5. MonOct 2644°
  6. TueOct 2747°
  7. WedOct 2845°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 6First frost Oct 28206 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND206 frost-free days
Frost risk through the year at Lebanon, 2.5 miles from Lebanon.

Planting calendar for Lebanon

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
TomatoesApr 13–Apr 27
PumpkinsApr 20–May 4
SunflowersApr 6–Apr 27
CucumbersApr 20–Apr 27
CornApr 13–Apr 27
Sweet potatoesApr 27–May 11
WatermelonApr 20–May 4
Green beansApr 13–May 4
ZucchiniApr 13–Apr 27
OkraApr 27–May 11
PeppersApr 20–May 4
BasilApr 13–Apr 27
Butternut squashApr 13–Apr 27
CantaloupeApr 20–May 4
EggplantApr 20–May 4
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 9–Mar 23
OnionsFeb 23–Mar 16
CarrotsMar 16–Apr 20
LettuceMar 23–Apr 13
BroccoliMar 9–Mar 23
BeetsMar 9–Apr 20
PeasFeb 23–Mar 9
CabbageMar 9–Mar 23
RadishesMar 2–Apr 13
Brussels sproutsMar 23–Apr 6
SpinachFeb 23–Mar 16
CilantroMar 23–Apr 13
KaleMar 9–Mar 23
Collard greensMar 9–Mar 23
TurnipsMar 9–Mar 23
DillApr 6–Apr 20
CeleryApr 13–Apr 20
CauliflowerMar 23–Apr 6
LeeksMar 23–Apr 6
Swiss chardMar 23–Apr 20
ParsleyMar 23–Apr 13
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 14–Nov 18
GarlicOct 7–Nov 11
Daffodil bulbsSep 30–Nov 11
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 9–Mar 23
AsparagusMar 9–Mar 23

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 20Apr 6Apr 23Oct 15Oct 28Nov 11
Hard freeze, 28°FMar 6Mar 26Apr 10Oct 24Nov 8Nov 26

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 Lebanon (USC00405108) sits 2.5 miles from the center of Lebanon at 525 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 Lebanon, TN?

The average last frost date in Lebanon is April 6, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 23.

When is the first frost in Lebanon?

The first frost in fall usually comes around October 28. One year in ten it arrives before October 15.

How long is the growing season in Lebanon?

About 206 days between the average last and first frost.

When should I plant tomatoes in Lebanon?

Plant tomato seedlings outside from April 13 to April 27. Start seeds indoors six to eight weeks earlier.

Nearby in Tennessee

All 33 cities in Tennessee