FrostDateByZip

Frost dates for 35747Grant, AL

The average last spring frost in Grant is March 31 and the average first fall frost is November 3, giving a typical growing season of about 217 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 31

Safer after Apr 16 (1-in-10 risk)

Average first fall frost
Nov 3

Possible by Oct 22 (1-in-10 risk)

Growing season
217 days

First frost typically in 0 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 27 · Apr 12 · Apr 26Oct 14 · Oct 25 · Nov 6196 days100%
Frost / freeze (32°F)Mar 14 · Mar 31 · Apr 16Oct 22 · Nov 3 · Nov 18217 days100%
Hard freeze (28°F)Feb 27 · Mar 17 · Apr 5Nov 1 · Nov 14 · Dec 3242 days100%

Planting calendar for Grant

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 28 – May 6
TomatoesTransplant outdoorsApr 16 – Jul 14
PeppersStart seeds indoorsFeb 28 – Mar 31
PeppersTransplant outdoorsApr 30 – May 31
EggplantStart seeds indoorsMar 17 – Apr 15
EggplantTransplant outdoorsApr 30 – May 31
CucumbersSow outdoorsApr 30 – Jul 24
Summer squashSow outdoorsApr 16 – May 31
Winter squash & pumpkinsSow outdoorsApr 30 – May 31
Snap beansSow outdoorsApr 16 – Aug 16
Sweet cornSow outdoorsApr 16 – Jul 14
Watermelon & cantaloupeSow outdoorsApr 30 – May 31
OkraSow outdoorsApr 23 – May 16
PeasSow outdoors (spring)Feb 28 – Apr 15
PotatoesPlant outdoors (spring)Feb 28 – Apr 30
OnionsStart seeds indoors (spring)Jan 17 – Feb 13
OnionsTransplant outdoors (spring)Mar 17 – Apr 15
BroccoliStart seeds indoors (spring)Feb 10 – Mar 16
BroccoliTransplant outdoors (spring)Mar 17 – Apr 15
BroccoliStart seeds indoors (fall)Jul 4 – Jul 14
BroccoliTransplant outdoors (fall)Aug 3 – Aug 14
CabbageStart seeds indoors (spring)Jan 31 – Feb 28
CabbageTransplant outdoors (spring)Feb 28 – Mar 31
CabbageStart seeds indoors (fall)Jun 24 – Jul 24
CabbageTransplant outdoors (fall)Jul 24 – Aug 24
Leaf lettuceSow outdoors (spring)Feb 28 – May 16
Leaf lettuceSow outdoors (fall)Jul 24 – Sep 9
SpinachSow outdoors (spring)Feb 21 – Apr 6
SpinachSow outdoors (fall)Aug 10 – Sep 14
RadishesSow outdoors (spring)Feb 28 – Apr 20
RadishesSow outdoors (fall)Jul 24 – Sep 24
KaleSow outdoors (spring)Mar 17 – Apr 6
KaleSow outdoors (fall)Jul 17 – Aug 24
CarrotsSow outdoors (spring)Mar 31 – May 16
CarrotsSow outdoors (fall)Jun 24 – Aug 9
GarlicPlant outdoors (fall)Oct 24 – Nov 24

Where these dates come from

ZIP code 35747 is matched to the NOAA station Sand Mt Substn, AL, 35.3 km away, at 1,190 ft elevation (11 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Sand Mt Substn, AL (used)1,190 ftMar 31Nov 3
Owens Cross Roads 3S, AL590 ftApr 4Oct 30
Guntersville No.2, AL595 ftMar 17Nov 19
Guntersville, AL578 ftMar 19Nov 18

Frost dates near Grant

Frequently asked questions

When is the last frost in Grant, AL?
For ZIP code 35747, the average last spring frost (32°F) is March 31, based on NOAA 1991-2020 climate normals for the Sand Mt Substn, AL weather station. There is a 1-in-10 chance of a frost after April 16.
When is the first frost in Grant, AL?
The average first fall frost (32°F) is November 3. There is a 1-in-10 chance of frost by October 22, so tender plants are at risk from that point on.
How long is the growing season in 35747?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 217 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.