FrostDateByZip

Frost dates for 76120Fort Worth, TX

The average last spring frost in Fort Worth is March 9 and the average first fall frost is November 20, giving a typical growing season of about 253 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 9

Safer after Apr 2 (1-in-10 risk)

Average first fall frost
Nov 20

Possible by Oct 31 (1-in-10 risk)

Growing season
253 days

First frost typically in 17 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Mar 2 · Mar 25 · Apr 15Oct 24 · Nov 8 · Nov 30229 days100%
Frost / freeze (32°F)Feb 19 · Mar 9 · Apr 2Oct 31 · Nov 20 · Dec 10253 days100%
Hard freeze (28°F)Feb 2 · Feb 26 · Mar 16Nov 10 · Dec 3 · Dec 25280 days100%

Planting calendar for Fort Worth

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsFeb 6 – Apr 14
TomatoesTransplant outdoorsMar 25 – Jul 31
PeppersStart seeds indoorsFeb 6 – Mar 9
PeppersTransplant outdoorsApr 8 – May 9
EggplantStart seeds indoorsFeb 23 – Mar 24
EggplantTransplant outdoorsApr 8 – May 9
CucumbersSow outdoorsApr 8 – Aug 10
Summer squashSow outdoorsMar 25 – May 9
Winter squash & pumpkinsSow outdoorsApr 8 – May 9
Snap beansSow outdoorsMar 25 – Sep 2
Sweet cornSow outdoorsMar 25 – Jul 31
Watermelon & cantaloupeSow outdoorsApr 8 – May 9
OkraSow outdoorsApr 1 – Apr 24
PeasSow outdoors (spring)Feb 6 – Mar 24
PotatoesPlant outdoors (spring)Feb 6 – Apr 8
OnionsStart seeds indoors (spring)Dec 26 – Jan 22
OnionsTransplant outdoors (spring)Feb 23 – Mar 24
BroccoliStart seeds indoors (spring)Jan 19 – Feb 22
BroccoliTransplant outdoors (spring)Feb 23 – Mar 24
BroccoliStart seeds indoors (fall)Jul 21 – Jul 31
BroccoliTransplant outdoors (fall)Aug 20 – Aug 31
CabbageStart seeds indoors (spring)Jan 9 – Feb 6
CabbageTransplant outdoors (spring)Feb 6 – Mar 9
CabbageStart seeds indoors (fall)Jul 11 – Aug 10
CabbageTransplant outdoors (fall)Aug 10 – Sep 10
Leaf lettuceSow outdoors (spring)Feb 6 – Apr 24
Leaf lettuceSow outdoors (fall)Aug 10 – Sep 26
SpinachSow outdoors (spring)Jan 30 – Mar 15
SpinachSow outdoors (fall)Aug 27 – Oct 1
RadishesSow outdoors (spring)Feb 6 – Mar 29
RadishesSow outdoors (fall)Aug 10 – Oct 11
KaleSow outdoors (spring)Feb 23 – Mar 15
KaleSow outdoors (fall)Aug 3 – Sep 10
CarrotsSow outdoors (spring)Mar 9 – Apr 24
CarrotsSow outdoors (fall)Jul 11 – Aug 26
GarlicPlant outdoors (fall)Nov 10 – Dec 11

Where these dates come from

ZIP code 76120 is matched to the NOAA station Arlington Six Flags, TX, 9.8 km away, at 536 ft elevation (25 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Arlington Six Flags, TX (used)536 ftMar 9Nov 20
Arlington Muni Ap, TX630 ftMar 9Nov 21
Ft Worth Wsfo, TX644 ftMar 10Nov 20
Ft Worth Meacham Fld Naaf, TX705 ftMar 5Nov 24

Frost dates near Fort Worth

Frequently asked questions

When is the last frost in Fort Worth, TX?
For ZIP code 76120, the average last spring frost (32°F) is March 9, based on NOAA 1991-2020 climate normals for the Arlington Six Flags, TX weather station. There is a 1-in-10 chance of a frost after April 2.
When is the first frost in Fort Worth, TX?
The average first fall frost (32°F) is November 20. There is a 1-in-10 chance of frost by October 31, so tender plants are at risk from that point on.
How long is the growing season in 76120?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 253 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.