FrostDateByZip

Frost dates for 36344Hartford, AL

The average last spring frost in Hartford is March 23 and the average first fall frost is November 7, giving a typical growing season of about 231 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 23

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

Average first fall frost
Nov 7

Possible by Oct 26 (1-in-10 risk)

Growing season
231 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 15 · Apr 4 · Apr 21Oct 18 · Oct 31 · Nov 13209 days100%
Frost / freeze (32°F)Feb 27 · Mar 23 · Apr 7Oct 26 · Nov 7 · Nov 27231 days100%
Hard freeze (28°F)Feb 11 · Mar 6 · Mar 28Nov 2 · Nov 20 · Dec 11259 days100%

Planting calendar for Hartford

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 18
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 28
Summer squashSow outdoorsApr 8 – May 23
Winter squash & pumpkinsSow outdoorsApr 22 – May 23
Snap beansSow outdoorsApr 8 – Aug 20
Sweet cornSow outdoorsApr 8 – Jul 18
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 8 – Jul 18
BroccoliTransplant outdoors (fall)Aug 7 – Aug 18
CabbageStart seeds indoors (spring)Jan 23 – Feb 20
CabbageTransplant outdoors (spring)Feb 20 – Mar 23
CabbageStart seeds indoors (fall)Jun 28 – Jul 28
CabbageTransplant outdoors (fall)Jul 28 – Aug 28
Leaf lettuceSow outdoors (spring)Feb 20 – May 8
Leaf lettuceSow outdoors (fall)Jul 28 – Sep 13
SpinachSow outdoors (spring)Feb 13 – Mar 29
SpinachSow outdoors (fall)Aug 14 – Sep 18
RadishesSow outdoors (spring)Feb 20 – Apr 12
RadishesSow outdoors (fall)Jul 28 – Sep 28
KaleSow outdoors (spring)Mar 9 – Mar 29
KaleSow outdoors (fall)Jul 21 – Aug 28
CarrotsSow outdoors (spring)Mar 23 – May 8
CarrotsSow outdoors (fall)Jun 28 – Aug 13
GarlicPlant outdoors (fall)Oct 28 – Nov 28

Where these dates come from

ZIP code 36344 is matched to the NOAA station Geneva #2, AL, 15.4 km away, at 145 ft elevation (114 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Geneva #2, AL (used)145 ftMar 23Nov 7
New Hope, FL105 ftMar 10Nov 20
Bonifay Tri Co Ap, FL85 ftMar 5Nov 18
Enterprise 4 W, AL337 ftMar 9Nov 21

Frost dates near Hartford

Frequently asked questions

When is the last frost in Hartford, AL?
For ZIP code 36344, the average last spring frost (32°F) is March 23, based on NOAA 1991-2020 climate normals for the Geneva #2, AL weather station. There is a 1-in-10 chance of a frost after April 7.
When is the first frost in Hartford, AL?
The average first fall frost (32°F) is November 7. There is a 1-in-10 chance of frost by October 26, so tender plants are at risk from that point on.
How long is the growing season in 36344?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 231 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.