Last frost date in Princeton, FL

Average last frost
January 18

The average last frost in Princeton is January 18. By February 1 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about January 13, which leaves 365 frost-free days. An early freeze before December 31 happens one year in ten.

Safe after (10% risk)
Feb 1
Average first frost
Jan 13
Frost-free season
365 days
Hard freeze (28°F) ends
rare
Next 7 nights in Princeton

No frost in the next 7 nights

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

  1. ThuOct 2270°
  2. FriOct 2370°
  3. SatOct 2471°
  4. SunOct 2572°
  5. MonOct 2672°
  6. TueOct 2772°
  7. WedOct 2872°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Jan 18First frost Jan 13365 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND365 frost-free days
Frost risk through the year at Perrine 4W, 3.7 miles from Princeton.

Planting calendar for Princeton

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesFeb 15–Mar 1
PumpkinsFeb 15–Mar 1
SunflowersFeb 15–Mar 8
CucumbersFeb 22–Mar 1
CornFeb 15–Mar 1
Sweet potatoesFeb 15–Mar 1
WatermelonFeb 15–Mar 1
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 15–Mar 1
PeppersFeb 15–Mar 1
BasilFeb 15–Mar 1
Butternut squashFeb 15–Mar 1
CantaloupeFeb 15–Mar 1
EggplantFeb 15–Mar 1
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesDec 21–Jan 4
OnionsDec 7–Dec 28
CarrotsDec 28–Feb 1
LettuceJan 4–Jan 25
BroccoliDec 21–Jan 4
BeetsDec 21–Feb 1
PeasDec 7–Dec 21
CabbageDec 21–Jan 4
RadishesDec 14–Jan 25
Brussels sproutsJan 4–Jan 18
SpinachDec 7–Dec 28
CilantroJan 4–Jan 25
KaleDec 21–Jan 4
Collard greensDec 21–Jan 4
TurnipsDec 21–Jan 4
DillJan 18–Feb 1
CeleryJan 25–Feb 1
CauliflowerJan 4–Jan 18
LeeksJan 4–Jan 18
Swiss chardJan 4–Feb 1
ParsleyJan 4–Jan 25
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesDec 21–Jan 4
AsparagusDec 21–Jan 4

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 31Jan 18Feb 1Dec 31Jan 13Feb 1

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 Perrine 4W (USC00087020) sits 3.7 miles from the center of Princeton at 10 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 Princeton, FL?

The average last frost date in Princeton is January 18, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 1.

When is the first frost in Princeton?

The first frost in fall usually comes around January 13. One year in ten it arrives before December 31.

How long is the growing season in Princeton?

About 365 days between the average last and first frost.

When should I plant tomatoes in Princeton?

Plant tomato seedlings outside from February 15 to March 1. Start seeds indoors six to eight weeks earlier.

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