FrostDateByZip

Frost dates for 75140Grand Saline, TX

The average last spring frost in Grand Saline is March 20 and the average first fall frost is November 11, giving a typical growing season of about 235 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 20

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

Average first fall frost
Nov 11

Possible by Oct 25 (1-in-10 risk)

Growing season
235 days

First frost typically in 8 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 15 · Apr 4 · Apr 25Oct 17 · Nov 1 · Nov 17210 days100%
Frost / freeze (32°F)Feb 28 · Mar 20 · Apr 10Oct 25 · Nov 11 · Nov 30235 days100%
Hard freeze (28°F)Feb 7 · Mar 6 · Mar 28Nov 3 · Nov 24 · Dec 13262 days100%

Planting calendar for Grand Saline

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 17 – Apr 25
TomatoesTransplant outdoorsApr 5 – Jul 22
PeppersStart seeds indoorsFeb 17 – Mar 20
PeppersTransplant outdoorsApr 19 – May 20
EggplantStart seeds indoorsMar 6 – Apr 4
EggplantTransplant outdoorsApr 19 – May 20
CucumbersSow outdoorsApr 19 – Aug 1
Summer squashSow outdoorsApr 5 – May 20
Winter squash & pumpkinsSow outdoorsApr 19 – May 20
Snap beansSow outdoorsApr 5 – Aug 24
Sweet cornSow outdoorsApr 5 – Jul 22
Watermelon & cantaloupeSow outdoorsApr 19 – May 20
OkraSow outdoorsApr 12 – May 5
PeasSow outdoors (spring)Feb 17 – Apr 4
PotatoesPlant outdoors (spring)Feb 17 – Apr 19
OnionsStart seeds indoors (spring)Jan 6 – Feb 2
OnionsTransplant outdoors (spring)Mar 6 – Apr 4
BroccoliStart seeds indoors (spring)Jan 30 – Mar 5
BroccoliTransplant outdoors (spring)Mar 6 – Apr 4
BroccoliStart seeds indoors (fall)Jul 12 – Jul 22
BroccoliTransplant outdoors (fall)Aug 11 – Aug 22
CabbageStart seeds indoors (spring)Jan 20 – Feb 17
CabbageTransplant outdoors (spring)Feb 17 – Mar 20
CabbageStart seeds indoors (fall)Jul 2 – Aug 1
CabbageTransplant outdoors (fall)Aug 1 – Sep 1
Leaf lettuceSow outdoors (spring)Feb 17 – May 5
Leaf lettuceSow outdoors (fall)Aug 1 – Sep 17
SpinachSow outdoors (spring)Feb 10 – Mar 26
SpinachSow outdoors (fall)Aug 18 – Sep 22
RadishesSow outdoors (spring)Feb 17 – Apr 9
RadishesSow outdoors (fall)Aug 1 – Oct 2
KaleSow outdoors (spring)Mar 6 – Mar 26
KaleSow outdoors (fall)Jul 25 – Sep 1
CarrotsSow outdoors (spring)Mar 20 – May 5
CarrotsSow outdoors (fall)Jul 2 – Aug 17
GarlicPlant outdoors (fall)Nov 1 – Dec 2

Where these dates come from

ZIP code 75140 is matched to the NOAA station Mineola, TX, 21.2 km away, at 367 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Mineola, TX (used)367 ftMar 20Nov 11
Emory, TX484 ftMar 20Nov 12
Lake Fk Rsvr, TX414 ftMar 7Nov 23
Lake Tawakoni, TX448 ftMar 16Nov 14

Frost dates near Grand Saline

Frequently asked questions

When is the last frost in Grand Saline, TX?
For ZIP code 75140, the average last spring frost (32°F) is March 20, based on NOAA 1991-2020 climate normals for the Mineola, TX weather station. There is a 1-in-10 chance of a frost after April 10.
When is the first frost in Grand Saline, TX?
The average first fall frost (32°F) is November 11. There is a 1-in-10 chance of frost by October 25, so tender plants are at risk from that point on.
How long is the growing season in 75140?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 235 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.