FrostDateByZip

Frost dates for 72843Hector, AR

The average last spring frost in Hector is March 25 and the average first fall frost is November 10, giving a typical growing season of about 232 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 25

Safer after Apr 12 (1-in-10 risk)

Average first fall frost
Nov 10

Possible by Oct 28 (1-in-10 risk)

Growing season
232 days

First frost typically in 11 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 21 · Apr 7 · Apr 26Oct 18 · Nov 1 · Nov 16209 days100%
Frost / freeze (32°F)Mar 6 · Mar 25 · Apr 12Oct 28 · Nov 10 · Nov 30232 days100%
Hard freeze (28°F)Feb 24 · Mar 12 · Mar 31Nov 5 · Nov 23 · Dec 10253 days100%

Planting calendar for Hector

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 22 – Apr 30
TomatoesTransplant outdoorsApr 10 – Jul 21
PeppersStart seeds indoorsFeb 22 – Mar 25
PeppersTransplant outdoorsApr 24 – May 25
EggplantStart seeds indoorsMar 11 – Apr 9
EggplantTransplant outdoorsApr 24 – May 25
CucumbersSow outdoorsApr 24 – Jul 31
Summer squashSow outdoorsApr 10 – May 25
Winter squash & pumpkinsSow outdoorsApr 24 – May 25
Snap beansSow outdoorsApr 10 – Aug 23
Sweet cornSow outdoorsApr 10 – Jul 21
Watermelon & cantaloupeSow outdoorsApr 24 – May 25
OkraSow outdoorsApr 17 – May 10
PeasSow outdoors (spring)Feb 22 – Apr 9
PotatoesPlant outdoors (spring)Feb 22 – Apr 24
OnionsStart seeds indoors (spring)Jan 11 – Feb 7
OnionsTransplant outdoors (spring)Mar 11 – Apr 9
BroccoliStart seeds indoors (spring)Feb 4 – Mar 10
BroccoliTransplant outdoors (spring)Mar 11 – Apr 9
BroccoliStart seeds indoors (fall)Jul 11 – Jul 21
BroccoliTransplant outdoors (fall)Aug 10 – Aug 21
CabbageStart seeds indoors (spring)Jan 25 – Feb 22
CabbageTransplant outdoors (spring)Feb 22 – Mar 25
CabbageStart seeds indoors (fall)Jul 1 – Jul 31
CabbageTransplant outdoors (fall)Jul 31 – Aug 31
Leaf lettuceSow outdoors (spring)Feb 22 – May 10
Leaf lettuceSow outdoors (fall)Jul 31 – Sep 16
SpinachSow outdoors (spring)Feb 15 – Mar 31
SpinachSow outdoors (fall)Aug 17 – Sep 21
RadishesSow outdoors (spring)Feb 22 – Apr 14
RadishesSow outdoors (fall)Jul 31 – Oct 1
KaleSow outdoors (spring)Mar 11 – Mar 31
KaleSow outdoors (fall)Jul 24 – Aug 31
CarrotsSow outdoors (spring)Mar 25 – May 10
CarrotsSow outdoors (fall)Jul 1 – Aug 16
GarlicPlant outdoors (fall)Oct 31 – Dec 1

Where these dates come from

ZIP code 72843 is matched to the NOAA station Clarksville 6 Ne, AR, 40 km away, at 850 ft elevation (282 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Clarksville 6 Ne, AR (used)850 ftMar 25Nov 10
Dennard 10 Wsw, AR1,740 ftApr 4Nov 2
Russellville Muni Ap, AR403 ftMar 29Nov 2
Deer, AR2,375 ftApr 7Nov 4

Frost dates near Hector

Frequently asked questions

When is the last frost in Hector, AR?
For ZIP code 72843, the average last spring frost (32°F) is March 25, based on NOAA 1991-2020 climate normals for the Clarksville 6 Ne, AR weather station. There is a 1-in-10 chance of a frost after April 12.
When is the first frost in Hector, AR?
The average first fall frost (32°F) is November 10. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
How long is the growing season in 72843?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 232 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.