FrostDateByZip

Frost dates for 76538Jonesboro, TX

The average last spring frost in Jonesboro is March 19 and the average first fall frost is November 9, giving a typical growing season of about 236 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 19

Safer after Apr 7 (1-in-10 risk)

Average first fall frost
Nov 9

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

Growing season
236 days

First frost typically in 12 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 2 · Apr 22Oct 19 · Nov 1 · Nov 17212 days100%
Frost / freeze (32°F)Feb 26 · Mar 19 · Apr 7Oct 25 · Nov 9 · Nov 30236 days100%
Hard freeze (28°F)Feb 12 · Mar 5 · Mar 27Nov 1 · Nov 20 · Dec 11259 days100%

Planting calendar for Jonesboro

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 16 – Apr 24
TomatoesTransplant outdoorsApr 4 – Jul 20
PeppersStart seeds indoorsFeb 16 – Mar 19
PeppersTransplant outdoorsApr 18 – May 19
EggplantStart seeds indoorsMar 5 – Apr 3
EggplantTransplant outdoorsApr 18 – May 19
CucumbersSow outdoorsApr 18 – Jul 30
Summer squashSow outdoorsApr 4 – May 19
Winter squash & pumpkinsSow outdoorsApr 18 – May 19
Snap beansSow outdoorsApr 4 – Aug 22
Sweet cornSow outdoorsApr 4 – Jul 20
Watermelon & cantaloupeSow outdoorsApr 18 – May 19
OkraSow outdoorsApr 11 – May 4
PeasSow outdoors (spring)Feb 16 – Apr 3
PotatoesPlant outdoors (spring)Feb 16 – Apr 18
OnionsStart seeds indoors (spring)Jan 5 – Feb 1
OnionsTransplant outdoors (spring)Mar 5 – Apr 3
BroccoliStart seeds indoors (spring)Jan 29 – Mar 4
BroccoliTransplant outdoors (spring)Mar 5 – Apr 3
BroccoliStart seeds indoors (fall)Jul 10 – Jul 20
BroccoliTransplant outdoors (fall)Aug 9 – Aug 20
CabbageStart seeds indoors (spring)Jan 19 – Feb 16
CabbageTransplant outdoors (spring)Feb 16 – Mar 19
CabbageStart seeds indoors (fall)Jun 30 – Jul 30
CabbageTransplant outdoors (fall)Jul 30 – Aug 30
Leaf lettuceSow outdoors (spring)Feb 16 – May 4
Leaf lettuceSow outdoors (fall)Jul 30 – Sep 15
SpinachSow outdoors (spring)Feb 9 – Mar 25
SpinachSow outdoors (fall)Aug 16 – Sep 20
RadishesSow outdoors (spring)Feb 16 – Apr 8
RadishesSow outdoors (fall)Jul 30 – Sep 30
KaleSow outdoors (spring)Mar 5 – Mar 25
KaleSow outdoors (fall)Jul 23 – Aug 30
CarrotsSow outdoors (spring)Mar 19 – May 4
CarrotsSow outdoors (fall)Jun 30 – Aug 15
GarlicPlant outdoors (fall)Oct 30 – Nov 30

Where these dates come from

ZIP code 76538 is matched to the NOAA station Gatesville, TX, 21.2 km away, at 826 ft elevation (165 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Gatesville, TX (used)826 ftMar 19Nov 9
Evant 1Ssw, TX1,245 ftMar 15Nov 18
Mcgregor, TX723 ftMar 15Nov 18
Hico, TX1,043 ftMar 24Nov 7

Frost dates near Jonesboro

Frequently asked questions

When is the last frost in Jonesboro, TX?
For ZIP code 76538, the average last spring frost (32°F) is March 19, based on NOAA 1991-2020 climate normals for the Gatesville, TX weather station. There is a 1-in-10 chance of a frost after April 7.
When is the first frost in Jonesboro, TX?
The average first fall frost (32°F) is November 9. 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 76538?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 236 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.