FrostDateByZip

Frost dates for 39704Columbus, MS

The average last spring frost in Columbus is March 13 and the average first fall frost is November 12, giving a typical growing season of about 244 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 13

Safer after Apr 2 (1-in-10 risk)

Average first fall frost
Nov 12

Possible by Oct 30 (1-in-10 risk)

Growing season
244 days

First frost typically in 9 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 9 · Mar 30 · Apr 16Oct 19 · Nov 2 · Nov 17218 days100%
Frost / freeze (32°F)Feb 19 · Mar 13 · Apr 2Oct 30 · Nov 12 · Dec 1244 days100%
Hard freeze (28°F)Jan 30 · Feb 26 · Mar 17Nov 7 · Nov 27 · Dec 23273 days100%

Planting calendar for Columbus

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 10 – Apr 18
TomatoesTransplant outdoorsMar 29 – Jul 23
PeppersStart seeds indoorsFeb 10 – Mar 13
PeppersTransplant outdoorsApr 12 – May 13
EggplantStart seeds indoorsFeb 27 – Mar 28
EggplantTransplant outdoorsApr 12 – May 13
CucumbersSow outdoorsApr 12 – Aug 2
Summer squashSow outdoorsMar 29 – May 13
Winter squash & pumpkinsSow outdoorsApr 12 – May 13
Snap beansSow outdoorsMar 29 – Aug 25
Sweet cornSow outdoorsMar 29 – Jul 23
Watermelon & cantaloupeSow outdoorsApr 12 – May 13
OkraSow outdoorsApr 5 – Apr 28
PeasSow outdoors (spring)Feb 10 – Mar 28
PotatoesPlant outdoors (spring)Feb 10 – Apr 12
OnionsStart seeds indoors (spring)Dec 30 – Jan 26
OnionsTransplant outdoors (spring)Feb 27 – Mar 28
BroccoliStart seeds indoors (spring)Jan 23 – Feb 26
BroccoliTransplant outdoors (spring)Feb 27 – Mar 28
BroccoliStart seeds indoors (fall)Jul 13 – Jul 23
BroccoliTransplant outdoors (fall)Aug 12 – Aug 23
CabbageStart seeds indoors (spring)Jan 13 – Feb 10
CabbageTransplant outdoors (spring)Feb 10 – Mar 13
CabbageStart seeds indoors (fall)Jul 3 – Aug 2
CabbageTransplant outdoors (fall)Aug 2 – Sep 2
Leaf lettuceSow outdoors (spring)Feb 10 – Apr 28
Leaf lettuceSow outdoors (fall)Aug 2 – Sep 18
SpinachSow outdoors (spring)Feb 3 – Mar 19
SpinachSow outdoors (fall)Aug 19 – Sep 23
RadishesSow outdoors (spring)Feb 10 – Apr 2
RadishesSow outdoors (fall)Aug 2 – Oct 3
KaleSow outdoors (spring)Feb 27 – Mar 19
KaleSow outdoors (fall)Jul 26 – Sep 2
CarrotsSow outdoors (spring)Mar 13 – Apr 28
CarrotsSow outdoors (fall)Jul 3 – Aug 18
GarlicPlant outdoors (fall)Nov 2 – Dec 3

Where these dates come from

ZIP code 39704 is matched to the NOAA station Columbus, MS, 9 km away, at 145 ft elevation (42 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Columbus, MS (used)145 ftMar 13Nov 12
Vernon, AL298 ftMar 29Nov 5
Aberdeen, MS198 ftMar 29Nov 5
State Univ, MS185 ftMar 23Nov 8

Frost dates near Columbus

Frequently asked questions

When is the last frost in Columbus, MS?
For ZIP code 39704, the average last spring frost (32°F) is March 13, based on NOAA 1991-2020 climate normals for the Columbus, MS weather station. There is a 1-in-10 chance of a frost after April 2.
When is the first frost in Columbus, MS?
The average first fall frost (32°F) is November 12. There is a 1-in-10 chance of frost by October 30, so tender plants are at risk from that point on.
How long is the growing season in 39704?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 244 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.