Last frost date in Cedar Park, TX

Average last frost
March 11

The average last frost in Cedar Park is March 11. By March 29 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 20, which leaves 254 frost-free days. An early freeze before November 3 happens one year in ten.

Safe after (10% risk)
Mar 29
Average first frost
Nov 20
Frost-free season
254 days
Hard freeze (28°F) ends
Mar 1
Next 7 nights in Cedar Park

No frost in the next 7 nights

National Weather Service forecast, updated Oct 22, 12:24 UTC

  1. ThuOct 2258°
  2. FriOct 2359°
  3. SatOct 2459°
  4. SunOct 2556°
  5. MonOct 2660°
  6. TueOct 2756°
  7. WedOct 2857°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 11First frost Nov 20254 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND254 frost-free days
Frost risk through the year at Austin Great Hills, 7.3 miles from Cedar Park.

Planting calendar for Cedar 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
TomatoesMar 18–Apr 1
PumpkinsMar 25–Apr 8
SunflowersMar 11–Apr 1
CucumbersMar 25–Apr 1
CornMar 18–Apr 1
Sweet potatoesApr 1–Apr 15
WatermelonMar 25–Apr 8
Green beansMar 18–Apr 8
ZucchiniMar 18–Apr 1
OkraApr 1–Apr 15
PeppersMar 25–Apr 8
BasilMar 18–Apr 1
Butternut squashMar 18–Apr 1
CantaloupeMar 25–Apr 8
EggplantMar 25–Apr 8
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesFeb 11–Feb 25
OnionsJan 28–Feb 18
CarrotsFeb 18–Mar 25
LettuceFeb 25–Mar 18
BroccoliFeb 11–Feb 25
BeetsFeb 11–Mar 25
PeasJan 28–Feb 11
CabbageFeb 11–Feb 25
RadishesFeb 4–Mar 18
Brussels sproutsFeb 25–Mar 11
SpinachJan 28–Feb 18
CilantroFeb 25–Mar 18
KaleFeb 11–Feb 25
Collard greensFeb 11–Feb 25
TurnipsFeb 11–Feb 25
DillMar 11–Mar 25
CeleryMar 18–Mar 25
CauliflowerFeb 25–Mar 11
LeeksFeb 25–Mar 11
Swiss chardFeb 25–Mar 25
ParsleyFeb 25–Mar 18
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsNov 6–Dec 11
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesFeb 11–Feb 25
AsparagusFeb 11–Feb 25

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FFeb 22Mar 11Mar 29Nov 3Nov 20Dec 9
Hard freeze, 28°FJan 31Mar 1Mar 19Nov 12Dec 3Dec 29

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 Austin Great Hills (USC00410433) sits 7.3 miles from the center of Cedar Park at 880 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 Cedar Park, TX?

The average last frost date in Cedar Park is March 11, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 29.

When is the first frost in Cedar Park?

The first frost in fall usually comes around November 20. One year in ten it arrives before November 3.

How long is the growing season in Cedar Park?

About 254 days between the average last and first frost.

When should I plant tomatoes in Cedar Park?

Plant tomato seedlings outside from March 18 to April 1. Start seeds indoors six to eight weeks earlier.

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