FrostDateByZip

Frost dates for 79227Crowell, TX

The average last spring frost in Crowell is April 1 and the average first fall frost is November 4, giving a typical growing season of about 217 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 1

Safer after Apr 20 (1-in-10 risk)

Average first fall frost
Nov 4

Possible by Oct 18 (1-in-10 risk)

Growing season
217 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 25 · Apr 13 · Apr 27Oct 12 · Oct 26 · Nov 10196 days100%
Frost / freeze (32°F)Mar 9 · Apr 1 · Apr 20Oct 18 · Nov 4 · Nov 21217 days100%
Hard freeze (28°F)Feb 24 · Mar 14 · Apr 5Oct 27 · Nov 14 · Dec 3242 days100%

Planting calendar for Crowell

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 indoorsMar 1 – May 7
TomatoesTransplant outdoorsApr 17 – Jul 15
PeppersStart seeds indoorsMar 1 – Apr 1
PeppersTransplant outdoorsMay 1 – Jun 1
EggplantStart seeds indoorsMar 18 – Apr 16
EggplantTransplant outdoorsMay 1 – Jun 1
CucumbersSow outdoorsMay 1 – Jul 25
Summer squashSow outdoorsApr 17 – Jun 1
Winter squash & pumpkinsSow outdoorsMay 1 – Jun 1
Snap beansSow outdoorsApr 17 – Aug 17
Sweet cornSow outdoorsApr 17 – Jul 15
Watermelon & cantaloupeSow outdoorsMay 1 – Jun 1
OkraSow outdoorsApr 24 – May 17
PeasSow outdoors (spring)Mar 1 – Apr 16
PotatoesPlant outdoors (spring)Mar 1 – May 1
OnionsStart seeds indoors (spring)Jan 18 – Feb 14
OnionsTransplant outdoors (spring)Mar 18 – Apr 16
BroccoliStart seeds indoors (spring)Feb 11 – Mar 17
BroccoliTransplant outdoors (spring)Mar 18 – Apr 16
BroccoliStart seeds indoors (fall)Jul 5 – Jul 15
BroccoliTransplant outdoors (fall)Aug 4 – Aug 15
CabbageStart seeds indoors (spring)Feb 1 – Mar 1
CabbageTransplant outdoors (spring)Mar 1 – Apr 1
CabbageStart seeds indoors (fall)Jun 25 – Jul 25
CabbageTransplant outdoors (fall)Jul 25 – Aug 25
Leaf lettuceSow outdoors (spring)Mar 1 – May 17
Leaf lettuceSow outdoors (fall)Jul 25 – Sep 10
SpinachSow outdoors (spring)Feb 22 – Apr 7
SpinachSow outdoors (fall)Aug 11 – Sep 15
RadishesSow outdoors (spring)Mar 1 – Apr 21
RadishesSow outdoors (fall)Jul 25 – Sep 25
KaleSow outdoors (spring)Mar 18 – Apr 7
KaleSow outdoors (fall)Jul 18 – Aug 25
CarrotsSow outdoors (spring)Apr 1 – May 17
CarrotsSow outdoors (fall)Jun 25 – Aug 10
GarlicPlant outdoors (fall)Oct 25 – Nov 25

Where these dates come from

ZIP code 79227 is matched to the NOAA station Copper Breaks Sp, TX, 14.1 km away, at 1,475 ft elevation (18 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Copper Breaks Sp, TX (used)1,475 ftApr 1Nov 4
Truscott 3 W, TX1,571 ftMar 28Nov 9
Quanah 2 Sw, TX1,602 ftApr 4Nov 1
Vernon, TX1,210 ftMar 27Nov 9

Frost dates near Crowell

Frequently asked questions

When is the last frost in Crowell, TX?
For ZIP code 79227, the average last spring frost (32°F) is April 1, based on NOAA 1991-2020 climate normals for the Copper Breaks Sp, TX weather station. There is a 1-in-10 chance of a frost after April 20.
When is the first frost in Crowell, TX?
The average first fall frost (32°F) is November 4. There is a 1-in-10 chance of frost by October 18, so tender plants are at risk from that point on.
How long is the growing season in 79227?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 217 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.