FrostDateByZip

Frost dates for 72860Rover, AR

The average last spring frost in Rover is March 22 and the average first fall frost is November 11, giving a typical growing season of about 233 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 22

Safer after Apr 7 (1-in-10 risk)

Average first fall frost
Nov 11

Possible by Oct 29 (1-in-10 risk)

Growing season
233 days

First frost typically in 17 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 16 · Apr 4 · Apr 19Oct 19 · Nov 1 · Nov 15211 days100%
Frost / freeze (32°F)Mar 2 · Mar 22 · Apr 7Oct 29 · Nov 11 · Nov 29233 days100%
Hard freeze (28°F)Feb 15 · Mar 8 · Mar 29Nov 5 · Nov 24 · Dec 12260 days100%

Planting calendar for Rover

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 19 – Apr 27
TomatoesTransplant outdoorsApr 7 – Jul 22
PeppersStart seeds indoorsFeb 19 – Mar 22
PeppersTransplant outdoorsApr 21 – May 22
EggplantStart seeds indoorsMar 8 – Apr 6
EggplantTransplant outdoorsApr 21 – May 22
CucumbersSow outdoorsApr 21 – Aug 1
Summer squashSow outdoorsApr 7 – May 22
Winter squash & pumpkinsSow outdoorsApr 21 – May 22
Snap beansSow outdoorsApr 7 – Aug 24
Sweet cornSow outdoorsApr 7 – Jul 22
Watermelon & cantaloupeSow outdoorsApr 21 – May 22
OkraSow outdoorsApr 14 – May 7
PeasSow outdoors (spring)Feb 19 – Apr 6
PotatoesPlant outdoors (spring)Feb 19 – Apr 21
OnionsStart seeds indoors (spring)Jan 8 – Feb 4
OnionsTransplant outdoors (spring)Mar 8 – Apr 6
BroccoliStart seeds indoors (spring)Feb 1 – Mar 7
BroccoliTransplant outdoors (spring)Mar 8 – Apr 6
BroccoliStart seeds indoors (fall)Jul 12 – Jul 22
BroccoliTransplant outdoors (fall)Aug 11 – Aug 22
CabbageStart seeds indoors (spring)Jan 22 – Feb 19
CabbageTransplant outdoors (spring)Feb 19 – Mar 22
CabbageStart seeds indoors (fall)Jul 2 – Aug 1
CabbageTransplant outdoors (fall)Aug 1 – Sep 1
Leaf lettuceSow outdoors (spring)Feb 19 – May 7
Leaf lettuceSow outdoors (fall)Aug 1 – Sep 17
SpinachSow outdoors (spring)Feb 12 – Mar 28
SpinachSow outdoors (fall)Aug 18 – Sep 22
RadishesSow outdoors (spring)Feb 19 – Apr 11
RadishesSow outdoors (fall)Aug 1 – Oct 2
KaleSow outdoors (spring)Mar 8 – Mar 28
KaleSow outdoors (fall)Jul 25 – Sep 1
CarrotsSow outdoors (spring)Mar 22 – May 7
CarrotsSow outdoors (fall)Jul 2 – Aug 17
GarlicPlant outdoors (fall)Nov 1 – Dec 2

Where these dates come from

ZIP code 72860 is matched to the NOAA station Nimrod Dam, AR, 22.1 km away, at 480 ft elevation (57 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Nimrod Dam, AR (used)480 ftMar 22Nov 11
Blue Mtn Dam, AR426 ftMar 31Nov 1
Dardanelle, AR370 ftApr 1Nov 2
Russellville Muni Ap, AR403 ftMar 29Nov 2

Frost dates near Rover

Frequently asked questions

When is the last frost in Rover, AR?
For ZIP code 72860, the average last spring frost (32°F) is March 22, based on NOAA 1991-2020 climate normals for the Nimrod Dam, AR weather station. There is a 1-in-10 chance of a frost after April 7.
When is the first frost in Rover, AR?
The average first fall frost (32°F) is November 11. There is a 1-in-10 chance of frost by October 29, so tender plants are at risk from that point on.
How long is the growing season in 72860?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 233 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.