FrostDateByZip

Frost dates for 78945La Grange, TX

The average last spring frost in La Grange is March 4 and the average first fall frost is November 25, giving a typical growing season of about 267 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 4

Safer after Mar 25 (1-in-10 risk)

Average first fall frost
Nov 25

Possible by Nov 5 (1-in-10 risk)

Growing season
267 days

First frost typically in 25 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 25 · Mar 17 · Apr 6Oct 31 · Nov 12 · Dec 2240 days100%
Frost / freeze (32°F)Feb 6 · Mar 4 · Mar 25Nov 5 · Nov 25 · Dec 19267 days100%
Hard freeze (28°F)Jan 13 · Feb 15 · Mar 13Nov 18 · Dec 10 · Jan 10299 days98%

Planting calendar for La Grange

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 1 – Apr 9
TomatoesTransplant outdoorsMar 20 – Aug 5
PeppersStart seeds indoorsFeb 1 – Mar 4
PeppersTransplant outdoorsApr 3 – May 4
EggplantStart seeds indoorsFeb 18 – Mar 19
EggplantTransplant outdoorsApr 3 – May 4
CucumbersSow outdoorsApr 3 – Aug 15
Summer squashSow outdoorsMar 20 – May 4
Winter squash & pumpkinsSow outdoorsApr 3 – May 4
Snap beansSow outdoorsMar 20 – Sep 7
Sweet cornSow outdoorsMar 20 – Aug 5
Watermelon & cantaloupeSow outdoorsApr 3 – May 4
OkraSow outdoorsMar 27 – Apr 19
PeasSow outdoors (spring)Feb 1 – Mar 19
PotatoesPlant outdoors (spring)Feb 1 – Apr 3
OnionsStart seeds indoors (spring)Dec 21 – Jan 17
OnionsTransplant outdoors (spring)Feb 18 – Mar 19
BroccoliStart seeds indoors (spring)Jan 14 – Feb 17
BroccoliTransplant outdoors (spring)Feb 18 – Mar 19
BroccoliStart seeds indoors (fall)Jul 26 – Aug 5
BroccoliTransplant outdoors (fall)Aug 25 – Sep 5
CabbageStart seeds indoors (spring)Jan 4 – Feb 1
CabbageTransplant outdoors (spring)Feb 1 – Mar 4
CabbageStart seeds indoors (fall)Jul 16 – Aug 15
CabbageTransplant outdoors (fall)Aug 15 – Sep 15
Leaf lettuceSow outdoors (spring)Feb 1 – Apr 19
Leaf lettuceSow outdoors (fall)Aug 15 – Oct 1
SpinachSow outdoors (spring)Jan 25 – Mar 10
SpinachSow outdoors (fall)Sep 1 – Oct 6
RadishesSow outdoors (spring)Feb 1 – Mar 24
RadishesSow outdoors (fall)Aug 15 – Oct 16
KaleSow outdoors (spring)Feb 18 – Mar 10
KaleSow outdoors (fall)Aug 8 – Sep 15
CarrotsSow outdoors (spring)Mar 4 – Apr 19
CarrotsSow outdoors (fall)Jul 16 – Aug 31
GarlicPlant outdoors (fall)Nov 15 – Dec 16

Where these dates come from

ZIP code 78945 is matched to the NOAA station La Grange, TX, 1.7 km away, at 357 ft elevation (101 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
La Grange, TX (used)357 ftMar 4Nov 25
Smithville, TX317 ftMar 12Nov 19
Flatonia 4Se, TX470 ftMar 2Nov 27
Columbus, TX225 ftMar 9Nov 20

Frost dates near La Grange

Frequently asked questions

When is the last frost in La Grange, TX?
For ZIP code 78945, the average last spring frost (32°F) is March 4, based on NOAA 1991-2020 climate normals for the La Grange, TX weather station. There is a 1-in-10 chance of a frost after March 25.
When is the first frost in La Grange, TX?
The average first fall frost (32°F) is November 25. There is a 1-in-10 chance of frost by November 5, so tender plants are at risk from that point on.
How long is the growing season in 78945?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 267 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.