Last frost date in Jackson, TN

Average last frost
April 2

In Jackson, the last spring frost comes around April 2 in an average year. Wait until April 18 if you want 90% odds of no more frost. The first fall frost usually arrives about October 29, which leaves 207 frost-free days. An early freeze before October 16 happens one year in ten.

Safe after (10% risk)
Apr 18
Average first frost
Oct 29
Frost-free season
207 days
Hard freeze (28°F) ends
Mar 22
Next 7 nights in Jackson

No frost in the next 7 nights

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

  1. ThuOct 2248°
  2. FriOct 2348°
  3. SatOct 2447°
  4. SunOct 2547°
  5. MonOct 2647°
  6. TueOct 2749°
  7. WedOct 2847°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 2First frost Oct 29207 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND207 frost-free days
Frost risk through the year at Jackson Experiment Station, 2.6 miles from Jackson.

Planting calendar for Jackson

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 9–Apr 23
PumpkinsApr 16–Apr 30
SunflowersApr 2–Apr 23
CucumbersApr 16–Apr 23
CornApr 9–Apr 23
Sweet potatoesApr 23–May 7
WatermelonApr 16–Apr 30
Green beansApr 9–Apr 30
ZucchiniApr 9–Apr 23
OkraApr 23–May 7
PeppersApr 16–Apr 30
BasilApr 9–Apr 23
Butternut squashApr 9–Apr 23
CantaloupeApr 16–Apr 30
EggplantApr 16–Apr 30
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 5–Mar 19
OnionsFeb 19–Mar 12
CarrotsMar 12–Apr 16
LettuceMar 19–Apr 9
BroccoliMar 5–Mar 19
BeetsMar 5–Apr 16
PeasFeb 19–Mar 5
CabbageMar 5–Mar 19
RadishesFeb 26–Apr 9
Brussels sproutsMar 19–Apr 2
SpinachFeb 19–Mar 12
CilantroMar 19–Apr 9
KaleMar 5–Mar 19
Collard greensMar 5–Mar 19
TurnipsMar 5–Mar 19
DillApr 2–Apr 16
CeleryApr 9–Apr 16
CauliflowerMar 19–Apr 2
LeeksMar 19–Apr 2
Swiss chardMar 19–Apr 16
ParsleyMar 19–Apr 9
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 15–Nov 19
GarlicOct 8–Nov 12
Daffodil bulbsOct 1–Nov 12
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 5–Mar 19
AsparagusMar 5–Mar 19

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 16Apr 2Apr 18Oct 16Oct 29Nov 11
Hard freeze, 28°FMar 3Mar 22Apr 8Oct 27Nov 7Nov 24

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 Jackson Experiment Station (USC00404561) sits 2.6 miles from the center of Jackson at 400 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 Jackson, TN?

The average last frost date in Jackson is April 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 18.

When is the first frost in Jackson?

The first frost in fall usually comes around October 29. One year in ten it arrives before October 16.

How long is the growing season in Jackson?

About 207 days between the average last and first frost.

When should I plant tomatoes in Jackson?

Plant tomato seedlings outside from April 9 to April 23. Start seeds indoors six to eight weeks earlier.

Nearby in Tennessee

All 33 cities in Tennessee