FrostDateByZip

Frost dates for 75019Coppell, TX

The average last spring frost in Coppell is March 14 and the average first fall frost is November 17, giving a typical growing season of about 249 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 14

Safer after Apr 3 (1-in-10 risk)

Average first fall frost
Nov 17

Possible by Nov 2 (1-in-10 risk)

Growing season
249 days

First frost typically in 22 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 8 · Mar 29 · Apr 15Oct 26 · Nov 7 · Nov 23223 days100%
Frost / freeze (32°F)Feb 23 · Mar 14 · Apr 3Nov 2 · Nov 17 · Dec 4249 days100%
Hard freeze (28°F)Feb 4 · Mar 1 · Mar 20Nov 9 · Nov 29 · Dec 20275 days100%

Planting calendar for Coppell

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 11 – Apr 19
TomatoesTransplant outdoorsMar 30 – Jul 28
PeppersStart seeds indoorsFeb 11 – Mar 14
PeppersTransplant outdoorsApr 13 – May 14
EggplantStart seeds indoorsFeb 28 – Mar 29
EggplantTransplant outdoorsApr 13 – May 14
CucumbersSow outdoorsApr 13 – Aug 7
Summer squashSow outdoorsMar 30 – May 14
Winter squash & pumpkinsSow outdoorsApr 13 – May 14
Snap beansSow outdoorsMar 30 – Aug 30
Sweet cornSow outdoorsMar 30 – Jul 28
Watermelon & cantaloupeSow outdoorsApr 13 – May 14
OkraSow outdoorsApr 6 – Apr 29
PeasSow outdoors (spring)Feb 11 – Mar 29
PotatoesPlant outdoors (spring)Feb 11 – Apr 13
OnionsStart seeds indoors (spring)Dec 31 – Jan 27
OnionsTransplant outdoors (spring)Feb 28 – Mar 29
BroccoliStart seeds indoors (spring)Jan 24 – Feb 27
BroccoliTransplant outdoors (spring)Feb 28 – Mar 29
BroccoliStart seeds indoors (fall)Jul 18 – Jul 28
BroccoliTransplant outdoors (fall)Aug 17 – Aug 28
CabbageStart seeds indoors (spring)Jan 14 – Feb 11
CabbageTransplant outdoors (spring)Feb 11 – Mar 14
CabbageStart seeds indoors (fall)Jul 8 – Aug 7
CabbageTransplant outdoors (fall)Aug 7 – Sep 7
Leaf lettuceSow outdoors (spring)Feb 11 – Apr 29
Leaf lettuceSow outdoors (fall)Aug 7 – Sep 23
SpinachSow outdoors (spring)Feb 4 – Mar 20
SpinachSow outdoors (fall)Aug 24 – Sep 28
RadishesSow outdoors (spring)Feb 11 – Apr 3
RadishesSow outdoors (fall)Aug 7 – Oct 8
KaleSow outdoors (spring)Feb 28 – Mar 20
KaleSow outdoors (fall)Jul 31 – Sep 7
CarrotsSow outdoors (spring)Mar 14 – Apr 29
CarrotsSow outdoors (fall)Jul 8 – Aug 23
GarlicPlant outdoors (fall)Nov 7 – Dec 8

Where these dates come from

ZIP code 75019 is matched to the NOAA station Grapevine Dam, TX, 7.2 km away, at 585 ft elevation (73 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Grapevine Dam, TX (used)585 ftMar 14Nov 17
Dallas Ft Worth Ap, TX560 ftMar 8Nov 24
Dallas Love Fld, TX440 ftMar 2Nov 29
Richardson, TX678 ftMar 7Nov 21

Frost dates near Coppell

Frequently asked questions

When is the last frost in Coppell, TX?
For ZIP code 75019, the average last spring frost (32°F) is March 14, based on NOAA 1991-2020 climate normals for the Grapevine Dam, TX weather station. There is a 1-in-10 chance of a frost after April 3.
When is the first frost in Coppell, TX?
The average first fall frost (32°F) is November 17. There is a 1-in-10 chance of frost by November 2, so tender plants are at risk from that point on.
How long is the growing season in 75019?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 249 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.