FrostDateByZip

Frost dates for 39602Brookhaven, MS

The average last spring frost in Brookhaven is March 17 and the average first fall frost is November 12, giving a typical growing season of about 242 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 17

Safer after Apr 7 (1-in-10 risk)

Average first fall frost
Nov 12

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

Growing season
242 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 11 · Apr 1 · Apr 20Oct 19 · Nov 3 · Nov 18216 days100%
Frost / freeze (32°F)Feb 22 · Mar 17 · Apr 7Oct 26 · Nov 12 · Dec 2242 days100%
Hard freeze (28°F)Jan 31 · Mar 1 · Mar 23Nov 6 · Nov 28 · Dec 31271 days100%

Planting calendar for Brookhaven

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 14 – Apr 22
TomatoesTransplant outdoorsApr 2 – Jul 23
PeppersStart seeds indoorsFeb 14 – Mar 17
PeppersTransplant outdoorsApr 16 – May 17
EggplantStart seeds indoorsMar 3 – Apr 1
EggplantTransplant outdoorsApr 16 – May 17
CucumbersSow outdoorsApr 16 – Aug 2
Summer squashSow outdoorsApr 2 – May 17
Winter squash & pumpkinsSow outdoorsApr 16 – May 17
Snap beansSow outdoorsApr 2 – Aug 25
Sweet cornSow outdoorsApr 2 – Jul 23
Watermelon & cantaloupeSow outdoorsApr 16 – May 17
OkraSow outdoorsApr 9 – May 2
PeasSow outdoors (spring)Feb 14 – Apr 1
PotatoesPlant outdoors (spring)Feb 14 – Apr 16
OnionsStart seeds indoors (spring)Jan 3 – Jan 30
OnionsTransplant outdoors (spring)Mar 3 – Apr 1
BroccoliStart seeds indoors (spring)Jan 27 – Mar 2
BroccoliTransplant outdoors (spring)Mar 3 – Apr 1
BroccoliStart seeds indoors (fall)Jul 13 – Jul 23
BroccoliTransplant outdoors (fall)Aug 12 – Aug 23
CabbageStart seeds indoors (spring)Jan 17 – Feb 14
CabbageTransplant outdoors (spring)Feb 14 – Mar 17
CabbageStart seeds indoors (fall)Jul 3 – Aug 2
CabbageTransplant outdoors (fall)Aug 2 – Sep 2
Leaf lettuceSow outdoors (spring)Feb 14 – May 2
Leaf lettuceSow outdoors (fall)Aug 2 – Sep 18
SpinachSow outdoors (spring)Feb 7 – Mar 23
SpinachSow outdoors (fall)Aug 19 – Sep 23
RadishesSow outdoors (spring)Feb 14 – Apr 6
RadishesSow outdoors (fall)Aug 2 – Oct 3
KaleSow outdoors (spring)Mar 3 – Mar 23
KaleSow outdoors (fall)Jul 26 – Sep 2
CarrotsSow outdoors (spring)Mar 17 – May 2
CarrotsSow outdoors (fall)Jul 3 – Aug 18
GarlicPlant outdoors (fall)Nov 2 – Dec 3

Where these dates come from

ZIP code 39602 is matched to the NOAA station Brookhaven City, MS, 3.3 km away, at 435 ft elevation (5 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Brookhaven City, MS (used)435 ftMar 17Nov 12
Hazlehurst 5 Sw, MS600 ftMar 14Nov 13
Monticello, MS191 ftMar 12Nov 10
Meadville, MS345 ftMar 15Nov 12

Frost dates near Brookhaven

Frequently asked questions

When is the last frost in Brookhaven, MS?
For ZIP code 39602, the average last spring frost (32°F) is March 17, based on NOAA 1991-2020 climate normals for the Brookhaven City, MS weather station. There is a 1-in-10 chance of a frost after April 7.
When is the first frost in Brookhaven, MS?
The average first fall frost (32°F) is November 12. 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 39602?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 242 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.