FrostDateByZip

Frost dates for 76577Thorndale, TX

The average last spring frost in Thorndale is March 5 and the average first fall frost is November 22, giving a typical growing season of about 261 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 5

Safer after Mar 31 (1-in-10 risk)

Average first fall frost
Nov 22

Possible by Nov 4 (1-in-10 risk)

Growing season
261 days

First frost typically in 26 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)Feb 27 · Mar 20 · Apr 11Oct 28 · Nov 11 · Dec 1238 days100%
Frost / freeze (32°F)Feb 13 · Mar 5 · Mar 31Nov 4 · Nov 22 · Dec 11261 days100%
Hard freeze (28°F)Jan 24 · Feb 20 · Mar 12Nov 14 · Dec 6 · Jan 2292 days99%

Planting calendar for Thorndale

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 2 – Apr 10
TomatoesTransplant outdoorsMar 21 – Aug 2
PeppersStart seeds indoorsFeb 2 – Mar 5
PeppersTransplant outdoorsApr 4 – May 5
EggplantStart seeds indoorsFeb 19 – Mar 20
EggplantTransplant outdoorsApr 4 – May 5
CucumbersSow outdoorsApr 4 – Aug 12
Summer squashSow outdoorsMar 21 – May 5
Winter squash & pumpkinsSow outdoorsApr 4 – May 5
Snap beansSow outdoorsMar 21 – Sep 4
Sweet cornSow outdoorsMar 21 – Aug 2
Watermelon & cantaloupeSow outdoorsApr 4 – May 5
OkraSow outdoorsMar 28 – Apr 20
PeasSow outdoors (spring)Feb 2 – Mar 20
PotatoesPlant outdoors (spring)Feb 2 – Apr 4
OnionsStart seeds indoors (spring)Dec 22 – Jan 18
OnionsTransplant outdoors (spring)Feb 19 – Mar 20
BroccoliStart seeds indoors (spring)Jan 15 – Feb 18
BroccoliTransplant outdoors (spring)Feb 19 – Mar 20
BroccoliStart seeds indoors (fall)Jul 23 – Aug 2
BroccoliTransplant outdoors (fall)Aug 22 – Sep 2
CabbageStart seeds indoors (spring)Jan 5 – Feb 2
CabbageTransplant outdoors (spring)Feb 2 – Mar 5
CabbageStart seeds indoors (fall)Jul 13 – Aug 12
CabbageTransplant outdoors (fall)Aug 12 – Sep 12
Leaf lettuceSow outdoors (spring)Feb 2 – Apr 20
Leaf lettuceSow outdoors (fall)Aug 12 – Sep 28
SpinachSow outdoors (spring)Jan 26 – Mar 11
SpinachSow outdoors (fall)Aug 29 – Oct 3
RadishesSow outdoors (spring)Feb 2 – Mar 25
RadishesSow outdoors (fall)Aug 12 – Oct 13
KaleSow outdoors (spring)Feb 19 – Mar 11
KaleSow outdoors (fall)Aug 5 – Sep 12
CarrotsSow outdoors (spring)Mar 5 – Apr 20
CarrotsSow outdoors (fall)Jul 13 – Aug 28
GarlicPlant outdoors (fall)Nov 12 – Dec 13

Where these dates come from

ZIP code 76577 is matched to the NOAA station Granger Dam, TX, 18.5 km away, at 555 ft elevation (155 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Granger Dam, TX (used)555 ftMar 5Nov 22
Taylor 1Nw, TX571 ftMar 8Nov 21
Lexington, TX423 ftMar 5Nov 21
Elgin 1 N, TX594 ftMar 4Nov 24

Frost dates near Thorndale

Frequently asked questions

When is the last frost in Thorndale, TX?
For ZIP code 76577, the average last spring frost (32°F) is March 5, based on NOAA 1991-2020 climate normals for the Granger Dam, TX weather station. There is a 1-in-10 chance of a frost after March 31.
When is the first frost in Thorndale, TX?
The average first fall frost (32°F) is November 22. There is a 1-in-10 chance of frost by November 4, so tender plants are at risk from that point on.
How long is the growing season in 76577?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 261 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.