FrostDateByZip

Frost dates for 76661Marlin, TX

The average last spring frost in Marlin is March 21 and the average first fall frost is November 9, giving a typical growing season of about 234 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 21

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

Average first fall frost
Nov 9

Possible by Oct 29 (1-in-10 risk)

Growing season
234 days

First frost typically in 9 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 14 · Apr 3 · Apr 25Oct 21 · Nov 2 · Nov 16211 days100%
Frost / freeze (32°F)Feb 27 · Mar 21 · Apr 10Oct 29 · Nov 9 · Nov 26234 days100%
Hard freeze (28°F)Feb 13 · Mar 8 · Mar 31Nov 3 · Nov 18 · Dec 6256 days100%

Planting calendar for Marlin

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 18 – Apr 26
TomatoesTransplant outdoorsApr 6 – Jul 20
PeppersStart seeds indoorsFeb 18 – Mar 21
PeppersTransplant outdoorsApr 20 – May 21
EggplantStart seeds indoorsMar 7 – Apr 5
EggplantTransplant outdoorsApr 20 – May 21
CucumbersSow outdoorsApr 20 – Jul 30
Summer squashSow outdoorsApr 6 – May 21
Winter squash & pumpkinsSow outdoorsApr 20 – May 21
Snap beansSow outdoorsApr 6 – Aug 22
Sweet cornSow outdoorsApr 6 – Jul 20
Watermelon & cantaloupeSow outdoorsApr 20 – May 21
OkraSow outdoorsApr 13 – May 6
PeasSow outdoors (spring)Feb 18 – Apr 5
PotatoesPlant outdoors (spring)Feb 18 – Apr 20
OnionsStart seeds indoors (spring)Jan 7 – Feb 3
OnionsTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (spring)Jan 31 – Mar 6
BroccoliTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (fall)Jul 10 – Jul 20
BroccoliTransplant outdoors (fall)Aug 9 – Aug 20
CabbageStart seeds indoors (spring)Jan 21 – Feb 18
CabbageTransplant outdoors (spring)Feb 18 – Mar 21
CabbageStart seeds indoors (fall)Jun 30 – Jul 30
CabbageTransplant outdoors (fall)Jul 30 – Aug 30
Leaf lettuceSow outdoors (spring)Feb 18 – May 6
Leaf lettuceSow outdoors (fall)Jul 30 – Sep 15
SpinachSow outdoors (spring)Feb 11 – Mar 27
SpinachSow outdoors (fall)Aug 16 – Sep 20
RadishesSow outdoors (spring)Feb 18 – Apr 10
RadishesSow outdoors (fall)Jul 30 – Sep 30
KaleSow outdoors (spring)Mar 7 – Mar 27
KaleSow outdoors (fall)Jul 23 – Aug 30
CarrotsSow outdoors (spring)Mar 21 – May 6
CarrotsSow outdoors (fall)Jun 30 – Aug 15
GarlicPlant outdoors (fall)Oct 30 – Nov 30

Where these dates come from

ZIP code 76661 is matched to the NOAA station Marlin, TX, 1.2 km away, at 407 ft elevation (20 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Marlin, TX (used)407 ftMar 21Nov 9
Waco Dam, TX495 ftMar 9Nov 20
Waco Rgnl Ap, TX500 ftMar 15Nov 15
Franklin, TX467 ftFeb 28Nov 28

Frost dates near Marlin

Frequently asked questions

When is the last frost in Marlin, TX?
For ZIP code 76661, the average last spring frost (32°F) is March 21, based on NOAA 1991-2020 climate normals for the Marlin, TX weather station. There is a 1-in-10 chance of a frost after April 10.
When is the first frost in Marlin, TX?
The average first fall frost (32°F) is November 9. There is a 1-in-10 chance of frost by October 29, so tender plants are at risk from that point on.
How long is the growing season in 76661?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 234 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.