FrostDateByZip

Frost dates for 30624Bowman, GA

The average last spring frost in Bowman is March 20 and the average first fall frost is November 15, giving a typical growing season of about 241 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 20

Safer after Apr 6 (1-in-10 risk)

Average first fall frost
Nov 15

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

Growing season
241 days

First frost typically in 14 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 16 · Apr 3 · Apr 19Oct 22 · Nov 4 · Nov 19217 days100%
Frost / freeze (32°F)Mar 1 · Mar 20 · Apr 6Nov 1 · Nov 15 · Dec 5241 days100%
Hard freeze (28°F)Feb 13 · Mar 7 · Mar 25Nov 10 · Dec 1 · Dec 29269 days100%

Planting calendar for Bowman

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 17 – Apr 25
TomatoesTransplant outdoorsApr 5 – Jul 26
PeppersStart seeds indoorsFeb 17 – Mar 20
PeppersTransplant outdoorsApr 19 – May 20
EggplantStart seeds indoorsMar 6 – Apr 4
EggplantTransplant outdoorsApr 19 – May 20
CucumbersSow outdoorsApr 19 – Aug 5
Summer squashSow outdoorsApr 5 – May 20
Winter squash & pumpkinsSow outdoorsApr 19 – May 20
Snap beansSow outdoorsApr 5 – Aug 28
Sweet cornSow outdoorsApr 5 – Jul 26
Watermelon & cantaloupeSow outdoorsApr 19 – May 20
OkraSow outdoorsApr 12 – May 5
PeasSow outdoors (spring)Feb 17 – Apr 4
PotatoesPlant outdoors (spring)Feb 17 – Apr 19
OnionsStart seeds indoors (spring)Jan 6 – Feb 2
OnionsTransplant outdoors (spring)Mar 6 – Apr 4
BroccoliStart seeds indoors (spring)Jan 30 – Mar 5
BroccoliTransplant outdoors (spring)Mar 6 – Apr 4
BroccoliStart seeds indoors (fall)Jul 16 – Jul 26
BroccoliTransplant outdoors (fall)Aug 15 – Aug 26
CabbageStart seeds indoors (spring)Jan 20 – Feb 17
CabbageTransplant outdoors (spring)Feb 17 – Mar 20
CabbageStart seeds indoors (fall)Jul 6 – Aug 5
CabbageTransplant outdoors (fall)Aug 5 – Sep 5
Leaf lettuceSow outdoors (spring)Feb 17 – May 5
Leaf lettuceSow outdoors (fall)Aug 5 – Sep 21
SpinachSow outdoors (spring)Feb 10 – Mar 26
SpinachSow outdoors (fall)Aug 22 – Sep 26
RadishesSow outdoors (spring)Feb 17 – Apr 9
RadishesSow outdoors (fall)Aug 5 – Oct 6
KaleSow outdoors (spring)Mar 6 – Mar 26
KaleSow outdoors (fall)Jul 29 – Sep 5
CarrotsSow outdoors (spring)Mar 20 – May 5
CarrotsSow outdoors (fall)Jul 6 – Aug 21
GarlicPlant outdoors (fall)Nov 5 – Dec 6

Where these dates come from

ZIP code 30624 is matched to the NOAA station Hartwell, GA, 19.9 km away, at 805 ft elevation (57 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Hartwell, GA (used)805 ftMar 20Nov 15
Elberton 2 N, GA540 ftApr 6Oct 30
Hartwell Dam, GA690 ftMar 25Nov 12
Danielsville, GA780 ftMar 29Nov 7

Frost dates near Bowman

Frequently asked questions

When is the last frost in Bowman, GA?
For ZIP code 30624, the average last spring frost (32°F) is March 20, based on NOAA 1991-2020 climate normals for the Hartwell, GA weather station. There is a 1-in-10 chance of a frost after April 6.
When is the first frost in Bowman, GA?
The average first fall frost (32°F) is November 15. 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 30624?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 241 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.