FrostDateByZip

Frost dates for 35622Falkville, AL

The average last spring frost in Falkville is March 26 and the average first fall frost is November 7, giving a typical growing season of about 228 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 26

Safer after Apr 9 (1-in-10 risk)

Average first fall frost
Nov 7

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

Growing season
228 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 21 · Apr 5 · Apr 22Oct 16 · Oct 29 · Nov 11205 days100%
Frost / freeze (32°F)Mar 5 · Mar 26 · Apr 9Oct 26 · Nov 7 · Nov 26228 days100%
Hard freeze (28°F)Feb 21 · Mar 12 · Mar 30Nov 4 · Nov 19 · Dec 10253 days100%

Planting calendar for Falkville

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 23 – May 1
TomatoesTransplant outdoorsApr 11 – Jul 18
PeppersStart seeds indoorsFeb 23 – Mar 26
PeppersTransplant outdoorsApr 25 – May 26
EggplantStart seeds indoorsMar 12 – Apr 10
EggplantTransplant outdoorsApr 25 – May 26
CucumbersSow outdoorsApr 25 – Jul 28
Summer squashSow outdoorsApr 11 – May 26
Winter squash & pumpkinsSow outdoorsApr 25 – May 26
Snap beansSow outdoorsApr 11 – Aug 20
Sweet cornSow outdoorsApr 11 – Jul 18
Watermelon & cantaloupeSow outdoorsApr 25 – May 26
OkraSow outdoorsApr 18 – May 11
PeasSow outdoors (spring)Feb 23 – Apr 10
PotatoesPlant outdoors (spring)Feb 23 – Apr 25
OnionsStart seeds indoors (spring)Jan 12 – Feb 8
OnionsTransplant outdoors (spring)Mar 12 – Apr 10
BroccoliStart seeds indoors (spring)Feb 5 – Mar 11
BroccoliTransplant outdoors (spring)Mar 12 – Apr 10
BroccoliStart seeds indoors (fall)Jul 8 – Jul 18
BroccoliTransplant outdoors (fall)Aug 7 – Aug 18
CabbageStart seeds indoors (spring)Jan 26 – Feb 23
CabbageTransplant outdoors (spring)Feb 23 – Mar 26
CabbageStart seeds indoors (fall)Jun 28 – Jul 28
CabbageTransplant outdoors (fall)Jul 28 – Aug 28
Leaf lettuceSow outdoors (spring)Feb 23 – May 11
Leaf lettuceSow outdoors (fall)Jul 28 – Sep 13
SpinachSow outdoors (spring)Feb 16 – Apr 1
SpinachSow outdoors (fall)Aug 14 – Sep 18
RadishesSow outdoors (spring)Feb 23 – Apr 15
RadishesSow outdoors (fall)Jul 28 – Sep 28
KaleSow outdoors (spring)Mar 12 – Apr 1
KaleSow outdoors (fall)Jul 21 – Aug 28
CarrotsSow outdoors (spring)Mar 26 – May 11
CarrotsSow outdoors (fall)Jun 28 – Aug 13
GarlicPlant outdoors (fall)Oct 28 – Nov 28

Where these dates come from

ZIP code 35622 is matched to the NOAA station Decatur 4Se, AL, 25.4 km away, at 550 ft elevation (51 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Decatur 4Se, AL (used)550 ftMar 26Nov 7
Cullman 3 Ene, AL800 ftApr 5Nov 1
Cullman Nahs, AL811 ftApr 7Oct 29
Saint Bernard, AL800 ftMar 31Nov 1

Frost dates near Falkville

Frequently asked questions

When is the last frost in Falkville, AL?
For ZIP code 35622, the average last spring frost (32°F) is March 26, based on NOAA 1991-2020 climate normals for the Decatur 4Se, AL weather station. There is a 1-in-10 chance of a frost after April 9.
When is the first frost in Falkville, 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 35622?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 228 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.