FrostDateByZip

Frost dates for 77986Sublime, TX

The average last spring frost in Sublime is February 17 and the average first fall frost is December 4, giving a typical growing season of about 297 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 17

Safer after Mar 13 (1-in-10 risk)

Average first fall frost
Dec 4

Possible by Nov 14 (1-in-10 risk)

Growing season
297 days

First frost typically in 39 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 9 · Mar 5 · Mar 29Nov 4 · Nov 23 · Dec 12263 days100%
Frost / freeze (32°F)Jan 19 · Feb 17 · Mar 13Nov 14 · Dec 4 · Jan 8297 days100%
Hard freeze (28°F)Dec 24 · Jan 30 · Feb 28Nov 28 · Dec 27 · Feb 3331 days86%

Planting calendar for Sublime

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 indoorsJan 17 – Mar 25
TomatoesTransplant outdoorsMar 5 – Aug 14
PeppersStart seeds indoorsJan 17 – Feb 17
PeppersTransplant outdoorsMar 19 – Apr 19
EggplantStart seeds indoorsFeb 3 – Mar 4
EggplantTransplant outdoorsMar 19 – Apr 19
CucumbersSow outdoorsMar 19 – Aug 24
Summer squashSow outdoorsMar 5 – Apr 19
Winter squash & pumpkinsSow outdoorsMar 19 – Apr 19
Snap beansSow outdoorsMar 5 – Sep 16
Sweet cornSow outdoorsMar 5 – Aug 14
Watermelon & cantaloupeSow outdoorsMar 19 – Apr 19
OkraSow outdoorsMar 12 – Apr 4
PeasSow outdoors (spring)Jan 17 – Mar 4
PotatoesPlant outdoors (spring)Jan 17 – Mar 19
OnionsStart seeds indoors (spring)Dec 6 – Jan 2
OnionsTransplant outdoors (spring)Feb 3 – Mar 4
BroccoliStart seeds indoors (spring)Dec 30 – Feb 2
BroccoliTransplant outdoors (spring)Feb 3 – Mar 4
BroccoliStart seeds indoors (fall)Aug 4 – Aug 14
BroccoliTransplant outdoors (fall)Sep 3 – Sep 14
CabbageStart seeds indoors (spring)Dec 20 – Jan 17
CabbageTransplant outdoors (spring)Jan 17 – Feb 17
CabbageStart seeds indoors (fall)Jul 25 – Aug 24
CabbageTransplant outdoors (fall)Aug 24 – Sep 24
Leaf lettuceSow outdoors (spring)Jan 17 – Apr 4
Leaf lettuceSow outdoors (fall)Aug 24 – Oct 10
SpinachSow outdoors (spring)Jan 10 – Feb 23
SpinachSow outdoors (fall)Sep 10 – Oct 15
RadishesSow outdoors (spring)Jan 17 – Mar 9
RadishesSow outdoors (fall)Aug 24 – Oct 25
KaleSow outdoors (spring)Feb 3 – Feb 23
KaleSow outdoors (fall)Aug 17 – Sep 24
CarrotsSow outdoors (spring)Feb 17 – Apr 4
CarrotsSow outdoors (fall)Jul 25 – Sep 9
GarlicPlant outdoors (fall)Nov 24 – Dec 25

Where these dates come from

ZIP code 77986 is matched to the NOAA station Hallettsville 2 N, TX, 14.2 km away, at 275 ft elevation (39 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Hallettsville 2 N, TX (used)275 ftFeb 17Dec 4
Flatonia 4Se, TX470 ftMar 2Nov 27
Columbus, TX225 ftMar 9Nov 20
Yoakum, TX295 ftMar 2Nov 30

Frost dates near Sublime

Frequently asked questions

When is the last frost in Sublime, TX?
For ZIP code 77986, the average last spring frost (32°F) is February 17, based on NOAA 1991-2020 climate normals for the Hallettsville 2 N, TX weather station. There is a 1-in-10 chance of a frost after March 13.
When is the first frost in Sublime, TX?
The average first fall frost (32°F) is December 4. There is a 1-in-10 chance of frost by November 14, so tender plants are at risk from that point on.
How long is the growing season in 77986?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 297 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.