FrostDateByZip

Frost dates for 63839Cooter, MO

The average last spring frost in Cooter is March 24 and the average first fall frost is November 6, giving a typical growing season of about 227 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 24

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

Average first fall frost
Nov 6

Possible by Oct 23 (1-in-10 risk)

Growing season
227 days

First frost typically in 4 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 19 · Apr 4 · Apr 20Oct 13 · Oct 26 · Nov 9204 days100%
Frost / freeze (32°F)Mar 5 · Mar 24 · Apr 10Oct 23 · Nov 6 · Nov 22227 days100%
Hard freeze (28°F)Feb 22 · Mar 11 · Mar 30Nov 3 · Nov 18 · Dec 8252 days100%

Planting calendar for Cooter

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 21 – Apr 29
TomatoesTransplant outdoorsApr 9 – Jul 17
PeppersStart seeds indoorsFeb 21 – Mar 24
PeppersTransplant outdoorsApr 23 – May 24
EggplantStart seeds indoorsMar 10 – Apr 8
EggplantTransplant outdoorsApr 23 – May 24
CucumbersSow outdoorsApr 23 – Jul 27
Summer squashSow outdoorsApr 9 – May 24
Winter squash & pumpkinsSow outdoorsApr 23 – May 24
Snap beansSow outdoorsApr 9 – Aug 19
Sweet cornSow outdoorsApr 9 – Jul 17
Watermelon & cantaloupeSow outdoorsApr 23 – May 24
OkraSow outdoorsApr 16 – May 9
PeasSow outdoors (spring)Feb 21 – Apr 8
PotatoesPlant outdoors (spring)Feb 21 – Apr 23
OnionsStart seeds indoors (spring)Jan 10 – Feb 6
OnionsTransplant outdoors (spring)Mar 10 – Apr 8
BroccoliStart seeds indoors (spring)Feb 3 – Mar 9
BroccoliTransplant outdoors (spring)Mar 10 – Apr 8
BroccoliStart seeds indoors (fall)Jul 7 – Jul 17
BroccoliTransplant outdoors (fall)Aug 6 – Aug 17
CabbageStart seeds indoors (spring)Jan 24 – Feb 21
CabbageTransplant outdoors (spring)Feb 21 – Mar 24
CabbageStart seeds indoors (fall)Jun 27 – Jul 27
CabbageTransplant outdoors (fall)Jul 27 – Aug 27
Leaf lettuceSow outdoors (spring)Feb 21 – May 9
Leaf lettuceSow outdoors (fall)Jul 27 – Sep 12
SpinachSow outdoors (spring)Feb 14 – Mar 30
SpinachSow outdoors (fall)Aug 13 – Sep 17
RadishesSow outdoors (spring)Feb 21 – Apr 13
RadishesSow outdoors (fall)Jul 27 – Sep 27
KaleSow outdoors (spring)Mar 10 – Mar 30
KaleSow outdoors (fall)Jul 20 – Aug 27
CarrotsSow outdoors (spring)Mar 24 – May 9
CarrotsSow outdoors (fall)Jun 27 – Aug 12
GarlicPlant outdoors (fall)Oct 27 – Nov 27

Where these dates come from

ZIP code 63839 is matched to the NOAA station Blytheville Muni Ap, AR, 12.1 km away, at 255 ft elevation (8 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Blytheville Muni Ap, AR (used)255 ftMar 24Nov 6
Blytheville, AR252 ftMar 18Nov 14
Caruthersville, MO270 ftMar 24Nov 9
Kennett Radio Kboa, MO270 ftMar 31Nov 1

Frost dates near Cooter

Frequently asked questions

When is the last frost in Cooter, MO?
For ZIP code 63839, the average last spring frost (32°F) is March 24, based on NOAA 1991-2020 climate normals for the Blytheville Muni Ap, AR weather station. There is a 1-in-10 chance of a frost after April 10.
When is the first frost in Cooter, MO?
The average first fall frost (32°F) is November 6. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
How long is the growing season in 63839?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 227 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.