FrostDateByZip

Frost dates for 36261Edwardsville, AL

The average last spring frost in Edwardsville is April 6 and the average first fall frost is October 31, giving a typical growing season of about 206 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 6

Safer after Apr 22 (1-in-10 risk)

Average first fall frost
Oct 31

Possible by Oct 19 (1-in-10 risk)

Growing season
206 days

Last frost typically in 154 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)Apr 4 · Apr 20 · May 4Oct 9 · Oct 22 · Nov 2184 days100%
Frost / freeze (32°F)Mar 20 · Apr 6 · Apr 22Oct 19 · Oct 31 · Nov 12206 days100%
Hard freeze (28°F)Mar 2 · Mar 25 · Apr 10Oct 27 · Nov 9 · Nov 28230 days100%

Planting calendar for Edwardsville

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 indoorsMar 6 – May 12
TomatoesTransplant outdoorsApr 22 – Jul 11
PeppersStart seeds indoorsMar 6 – Apr 6
PeppersTransplant outdoorsMay 6 – Jun 6
EggplantStart seeds indoorsMar 23 – Apr 21
EggplantTransplant outdoorsMay 6 – Jun 6
CucumbersSow outdoorsMay 6 – Jul 21
Summer squashSow outdoorsApr 22 – Jun 6
Winter squash & pumpkinsSow outdoorsMay 6 – Jun 6
Snap beansSow outdoorsApr 22 – Aug 13
Sweet cornSow outdoorsApr 22 – Jul 11
Watermelon & cantaloupeSow outdoorsMay 6 – Jun 6
OkraSow outdoorsApr 29 – May 22
PeasSow outdoors (spring)Mar 6 – Apr 21
PotatoesPlant outdoors (spring)Mar 6 – May 6
OnionsStart seeds indoors (spring)Jan 23 – Feb 19
OnionsTransplant outdoors (spring)Mar 23 – Apr 21
BroccoliStart seeds indoors (spring)Feb 16 – Mar 22
BroccoliTransplant outdoors (spring)Mar 23 – Apr 21
BroccoliStart seeds indoors (fall)Jul 1 – Jul 11
BroccoliTransplant outdoors (fall)Jul 31 – Aug 11
CabbageStart seeds indoors (spring)Feb 6 – Mar 6
CabbageTransplant outdoors (spring)Mar 6 – Apr 6
CabbageStart seeds indoors (fall)Jun 21 – Jul 21
CabbageTransplant outdoors (fall)Jul 21 – Aug 21
Leaf lettuceSow outdoors (spring)Mar 6 – May 22
Leaf lettuceSow outdoors (fall)Jul 21 – Sep 6
SpinachSow outdoors (spring)Feb 27 – Apr 12
SpinachSow outdoors (fall)Aug 7 – Sep 11
RadishesSow outdoors (spring)Mar 6 – Apr 26
RadishesSow outdoors (fall)Jul 21 – Sep 21
KaleSow outdoors (spring)Mar 23 – Apr 12
KaleSow outdoors (fall)Jul 14 – Aug 21
CarrotsSow outdoors (spring)Apr 6 – May 22
CarrotsSow outdoors (fall)Jun 21 – Aug 6
GarlicPlant outdoors (fall)Oct 21 – Nov 21

Where these dates come from

ZIP code 36261 is matched to the NOAA station Heflin, AL, 11.6 km away, at 1,000 ft elevation (32 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Heflin, AL (used)1,000 ftApr 6Oct 31
Anniston Metro Ap, AL594 ftMar 23Nov 9
Carrollton, GA995 ftMar 28Nov 5
Cedartown, GA785 ftMar 30Nov 4

Frost dates near Edwardsville

Frequently asked questions

When is the last frost in Edwardsville, AL?
For ZIP code 36261, the average last spring frost (32°F) is April 6, based on NOAA 1991-2020 climate normals for the Heflin, AL weather station. There is a 1-in-10 chance of a frost after April 22.
When is the first frost in Edwardsville, AL?
The average first fall frost (32°F) is October 31. There is a 1-in-10 chance of frost by October 19, so tender plants are at risk from that point on.
How long is the growing season in 36261?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 206 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.