Last frost date in Palm Harbor, FL

Average last frost
January 20

In Palm Harbor, the last spring frost comes around January 20 in an average year. Wait until February 14 if you want 90% odds of no more frost. The first fall frost usually arrives about January 9, which leaves 354 frost-free days. An early freeze before December 16 happens one year in ten.

Safe after (10% risk)
Feb 14
Average first frost
Jan 9
Frost-free season
354 days
Hard freeze (28°F) ends
Jan 15
Next 7 nights in Palm Harbor

No frost in the next 7 nights

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

  1. ThuOct 2261°
  2. FriOct 2363°
  3. SatOct 2466°
  4. SunOct 2567°
  5. MonOct 2665°
  6. TueOct 2765°
  7. WedOct 2865°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Jan 20First frost Jan 9354 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND354 frost-free days
Frost risk through the year at Tarpon Spgs Sewage Plt, 4.7 miles from Palm Harbor.

Planting calendar for Palm Harbor

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 23–Jan 6
OnionsDec 9–Dec 30
CarrotsDec 30–Feb 3
LettuceJan 6–Jan 27
BroccoliDec 23–Jan 6
BeetsDec 23–Feb 3
PeasDec 9–Dec 23
CabbageDec 23–Jan 6
RadishesDec 16–Jan 27
Brussels sproutsJan 6–Jan 20
SpinachDec 9–Dec 30
CilantroJan 6–Jan 27
KaleDec 23–Jan 6
Collard greensDec 23–Jan 6
TurnipsDec 23–Jan 6
DillJan 20–Feb 3
CeleryJan 27–Feb 3
CauliflowerJan 6–Jan 20
LeeksJan 6–Jan 20
Swiss chardJan 6–Feb 3
ParsleyJan 6–Jan 27
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesDec 23–Jan 6
AsparagusDec 23–Jan 6

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 29Jan 20Feb 14Dec 16Jan 9Feb 4
Hard freeze, 28°FDec 29Jan 15Feb 5Dec 24Jan 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 Tarpon Spgs Sewage Plt (USC00088824) sits 4.7 miles from the center of Palm Harbor at 6 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 Palm Harbor, FL?

The average last frost date in Palm Harbor is January 20, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after February 14.

When is the first frost in Palm Harbor?

The first frost in fall usually comes around January 9. One year in ten it arrives before December 16.

How long is the growing season in Palm Harbor?

About 354 days between the average last and first frost.

When should I plant tomatoes in Palm Harbor?

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

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