Last frost date in Deer Park, TX

Average last frost
February 2

In Deer Park, the last spring frost comes around February 2 in an average year. Wait until March 5 if you want 90% odds of no more frost. The first fall frost usually arrives about December 25, which leaves 327 frost-free days. An early freeze before November 27 happens one year in ten.

Safe after (10% risk)
Mar 5
Average first frost
Dec 25
Frost-free season
327 days
Hard freeze (28°F) ends
Jan 23
Next 7 nights in Deer Park

No frost in the next 7 nights

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

  1. ThuOct 2261°
  2. FriOct 2364°
  3. SatOct 2465°
  4. SunOct 2565°
  5. MonOct 2665°
  6. TueOct 2764°
  7. WedOct 2864°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Feb 2First frost Dec 25327 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND327 frost-free days
Frost risk through the year at Houston-port, 10.5 miles from Deer Park.

Planting calendar for Deer Park

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesFeb 15–Mar 1
PumpkinsFeb 16–Mar 2
SunflowersFeb 15–Mar 8
CucumbersFeb 22–Mar 1
CornFeb 15–Mar 1
Sweet potatoesFeb 23–Mar 9
WatermelonFeb 16–Mar 2
Green beansFeb 15–Mar 8
ZucchiniFeb 15–Mar 1
OkraFeb 23–Mar 9
PeppersFeb 16–Mar 2
BasilFeb 15–Mar 1
Butternut squashFeb 15–Mar 1
CantaloupeFeb 16–Mar 2
EggplantFeb 16–Mar 2
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesJan 5–Jan 19
OnionsDec 22–Jan 12
CarrotsJan 12–Feb 16
LettuceJan 19–Feb 9
BroccoliJan 5–Jan 19
BeetsJan 5–Feb 16
PeasDec 22–Jan 5
CabbageJan 5–Jan 19
RadishesDec 29–Feb 9
Brussels sproutsJan 19–Feb 2
SpinachDec 22–Jan 12
CilantroJan 19–Feb 9
KaleJan 5–Jan 19
Collard greensJan 5–Jan 19
TurnipsJan 5–Jan 19
DillFeb 2–Feb 16
CeleryFeb 9–Feb 16
CauliflowerJan 19–Feb 2
LeeksJan 19–Feb 2
Swiss chardJan 19–Feb 16
ParsleyJan 19–Feb 9
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsDec 15–Jan 15
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesJan 5–Jan 19
AsparagusJan 5–Jan 19

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FDec 31Feb 2Mar 5Nov 27Dec 25Jan 21
Hard freeze, 28°FDec 24Jan 23Feb 25Dec 8Jan 5Feb 9

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 Houston-port (USC00414326) sits 10.5 miles from the center of Deer Park at 19 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 Deer Park, TX?

The average last frost date in Deer Park is February 2, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 5.

When is the first frost in Deer Park?

The first frost in fall usually comes around December 25. One year in ten it arrives before November 27.

How long is the growing season in Deer Park?

About 327 days between the average last and first frost.

When should I plant tomatoes in Deer Park?

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

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