FrostDateByZip

Frost dates for 72428Etowah, AR

The average last spring frost in Etowah is March 23 and the average first fall frost is November 6, giving a typical growing season of about 229 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 23

Safer after Apr 8 (1-in-10 risk)

Average first fall frost
Nov 6

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

Growing season
229 days

First frost typically in 3 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 17 · Apr 3 · Apr 19Oct 12 · Oct 28 · Nov 10208 days100%
Frost / freeze (32°F)Mar 4 · Mar 23 · Apr 8Oct 23 · Nov 6 · Nov 27229 days100%
Hard freeze (28°F)Feb 20 · Mar 8 · Mar 29Nov 2 · Nov 22 · Dec 14256 days100%

Planting calendar for Etowah

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 20 – Apr 28
TomatoesTransplant outdoorsApr 8 – Jul 17
PeppersStart seeds indoorsFeb 20 – Mar 23
PeppersTransplant outdoorsApr 22 – May 23
EggplantStart seeds indoorsMar 9 – Apr 7
EggplantTransplant outdoorsApr 22 – May 23
CucumbersSow outdoorsApr 22 – Jul 27
Summer squashSow outdoorsApr 8 – May 23
Winter squash & pumpkinsSow outdoorsApr 22 – May 23
Snap beansSow outdoorsApr 8 – Aug 19
Sweet cornSow outdoorsApr 8 – Jul 17
Watermelon & cantaloupeSow outdoorsApr 22 – May 23
OkraSow outdoorsApr 15 – May 8
PeasSow outdoors (spring)Feb 20 – Apr 7
PotatoesPlant outdoors (spring)Feb 20 – Apr 22
OnionsStart seeds indoors (spring)Jan 9 – Feb 5
OnionsTransplant outdoors (spring)Mar 9 – Apr 7
BroccoliStart seeds indoors (spring)Feb 2 – Mar 8
BroccoliTransplant outdoors (spring)Mar 9 – Apr 7
BroccoliStart seeds indoors (fall)Jul 7 – Jul 17
BroccoliTransplant outdoors (fall)Aug 6 – Aug 17
CabbageStart seeds indoors (spring)Jan 23 – Feb 20
CabbageTransplant outdoors (spring)Feb 20 – Mar 23
CabbageStart seeds indoors (fall)Jun 27 – Jul 27
CabbageTransplant outdoors (fall)Jul 27 – Aug 27
Leaf lettuceSow outdoors (spring)Feb 20 – May 8
Leaf lettuceSow outdoors (fall)Jul 27 – Sep 12
SpinachSow outdoors (spring)Feb 13 – Mar 29
SpinachSow outdoors (fall)Aug 13 – Sep 17
RadishesSow outdoors (spring)Feb 20 – Apr 12
RadishesSow outdoors (fall)Jul 27 – Sep 27
KaleSow outdoors (spring)Mar 9 – Mar 29
KaleSow outdoors (fall)Jul 20 – Aug 27
CarrotsSow outdoors (spring)Mar 23 – May 8
CarrotsSow outdoors (fall)Jun 27 – Aug 12
GarlicPlant outdoors (fall)Oct 27 – Nov 27

Where these dates come from

ZIP code 72428 is matched to the NOAA station Keiser, AR, 9.4 km away, at 232 ft elevation (2 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Keiser, AR (used)232 ftMar 23Nov 6
Blytheville, AR252 ftMar 18Nov 14
Blytheville Muni Ap, AR255 ftMar 24Nov 6
Jonesboro Muni Ap, AR262 ftMar 23Nov 9

Frost dates near Etowah

Frequently asked questions

When is the last frost in Etowah, AR?
For ZIP code 72428, the average last spring frost (32°F) is March 23, based on NOAA 1991-2020 climate normals for the Keiser, AR weather station. There is a 1-in-10 chance of a frost after April 8.
When is the first frost in Etowah, AR?
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 72428?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 229 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.