FrostDateByZip

Frost dates for 71678Yorktown, AR

The average last spring frost in Yorktown is March 15 and the average first fall frost is November 17, giving a typical growing season of about 246 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 15

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

Average first fall frost
Nov 17

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

Growing season
246 days

First frost typically in 21 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 9 · Mar 29 · Apr 16Oct 21 · Nov 4 · Nov 20221 days100%
Frost / freeze (32°F)Feb 25 · Mar 15 · Apr 3Nov 1 · Nov 17 · Dec 4246 days100%
Hard freeze (28°F)Feb 9 · Mar 2 · Mar 23Nov 8 · Dec 1 · Dec 24272 days100%

Planting calendar for Yorktown

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 12 – Apr 20
TomatoesTransplant outdoorsMar 31 – Jul 28
PeppersStart seeds indoorsFeb 12 – Mar 15
PeppersTransplant outdoorsApr 14 – May 15
EggplantStart seeds indoorsMar 1 – Mar 30
EggplantTransplant outdoorsApr 14 – May 15
CucumbersSow outdoorsApr 14 – Aug 7
Summer squashSow outdoorsMar 31 – May 15
Winter squash & pumpkinsSow outdoorsApr 14 – May 15
Snap beansSow outdoorsMar 31 – Aug 30
Sweet cornSow outdoorsMar 31 – Jul 28
Watermelon & cantaloupeSow outdoorsApr 14 – May 15
OkraSow outdoorsApr 7 – Apr 30
PeasSow outdoors (spring)Feb 12 – Mar 30
PotatoesPlant outdoors (spring)Feb 12 – Apr 14
OnionsStart seeds indoors (spring)Jan 1 – Jan 28
OnionsTransplant outdoors (spring)Mar 1 – Mar 30
BroccoliStart seeds indoors (spring)Jan 25 – Feb 28
BroccoliTransplant outdoors (spring)Mar 1 – Mar 30
BroccoliStart seeds indoors (fall)Jul 18 – Jul 28
BroccoliTransplant outdoors (fall)Aug 17 – Aug 28
CabbageStart seeds indoors (spring)Jan 15 – Feb 12
CabbageTransplant outdoors (spring)Feb 12 – Mar 15
CabbageStart seeds indoors (fall)Jul 8 – Aug 7
CabbageTransplant outdoors (fall)Aug 7 – Sep 7
Leaf lettuceSow outdoors (spring)Feb 12 – Apr 30
Leaf lettuceSow outdoors (fall)Aug 7 – Sep 23
SpinachSow outdoors (spring)Feb 5 – Mar 21
SpinachSow outdoors (fall)Aug 24 – Sep 28
RadishesSow outdoors (spring)Feb 12 – Apr 4
RadishesSow outdoors (fall)Aug 7 – Oct 8
KaleSow outdoors (spring)Mar 1 – Mar 21
KaleSow outdoors (fall)Jul 31 – Sep 7
CarrotsSow outdoors (spring)Mar 15 – Apr 30
CarrotsSow outdoors (fall)Jul 8 – Aug 23
GarlicPlant outdoors (fall)Nov 7 – Dec 8

Where these dates come from

ZIP code 71678 is matched to the NOAA station Cane Creek Sp, AR, 9.7 km away, at 260 ft elevation (86 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Cane Creek Sp, AR (used)260 ftMar 15Nov 17
Dumas, AR163 ftMar 12Nov 14
Pine Bluff Grider Fld, AR207 ftMar 13Nov 13
Arkansas Post, AR194 ftMar 10Nov 18

Frost dates near Yorktown

Frequently asked questions

When is the last frost in Yorktown, AR?
For ZIP code 71678, the average last spring frost (32°F) is March 15, based on NOAA 1991-2020 climate normals for the Cane Creek Sp, AR weather station. There is a 1-in-10 chance of a frost after April 3.
When is the first frost in Yorktown, AR?
The average first fall frost (32°F) is November 17. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
How long is the growing season in 71678?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 246 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.