FrostDateByZip

Frost dates for 39633Crosby, MS

The average last spring frost in Crosby is March 11 and the average first fall frost is November 17, giving a typical growing season of about 251 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 11

Safer after Mar 31 (1-in-10 risk)

Average first fall frost
Nov 17

Possible by Nov 2 (1-in-10 risk)

Growing season
251 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 4 · Mar 24 · Apr 12Oct 24 · Nov 5 · Nov 21227 days100%
Frost / freeze (32°F)Feb 20 · Mar 11 · Mar 31Nov 2 · Nov 17 · Dec 4251 days100%
Hard freeze (28°F)Jan 31 · Feb 28 · Mar 18Nov 11 · Dec 1 · Dec 29277 days100%

Planting calendar for Crosby

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 8 – Apr 16
TomatoesTransplant outdoorsMar 27 – Jul 28
PeppersStart seeds indoorsFeb 8 – Mar 11
PeppersTransplant outdoorsApr 10 – May 11
EggplantStart seeds indoorsFeb 25 – Mar 26
EggplantTransplant outdoorsApr 10 – May 11
CucumbersSow outdoorsApr 10 – Aug 7
Summer squashSow outdoorsMar 27 – May 11
Winter squash & pumpkinsSow outdoorsApr 10 – May 11
Snap beansSow outdoorsMar 27 – Aug 30
Sweet cornSow outdoorsMar 27 – Jul 28
Watermelon & cantaloupeSow outdoorsApr 10 – May 11
OkraSow outdoorsApr 3 – Apr 26
PeasSow outdoors (spring)Feb 8 – Mar 26
PotatoesPlant outdoors (spring)Feb 8 – Apr 10
OnionsStart seeds indoors (spring)Dec 28 – Jan 24
OnionsTransplant outdoors (spring)Feb 25 – Mar 26
BroccoliStart seeds indoors (spring)Jan 21 – Feb 24
BroccoliTransplant outdoors (spring)Feb 25 – Mar 26
BroccoliStart seeds indoors (fall)Jul 18 – Jul 28
BroccoliTransplant outdoors (fall)Aug 17 – Aug 28
CabbageStart seeds indoors (spring)Jan 11 – Feb 8
CabbageTransplant outdoors (spring)Feb 8 – Mar 11
CabbageStart seeds indoors (fall)Jul 8 – Aug 7
CabbageTransplant outdoors (fall)Aug 7 – Sep 7
Leaf lettuceSow outdoors (spring)Feb 8 – Apr 26
Leaf lettuceSow outdoors (fall)Aug 7 – Sep 23
SpinachSow outdoors (spring)Feb 1 – Mar 17
SpinachSow outdoors (fall)Aug 24 – Sep 28
RadishesSow outdoors (spring)Feb 8 – Mar 31
RadishesSow outdoors (fall)Aug 7 – Oct 8
KaleSow outdoors (spring)Feb 25 – Mar 17
KaleSow outdoors (fall)Jul 31 – Sep 7
CarrotsSow outdoors (spring)Mar 11 – Apr 26
CarrotsSow outdoors (fall)Jul 8 – Aug 23
GarlicPlant outdoors (fall)Nov 7 – Dec 8

Where these dates come from

ZIP code 39633 is matched to the NOAA station Woodville 4 Ese, MS, 22.5 km away, at 400 ft elevation (200 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Woodville 4 Ese, MS (used)400 ftMar 11Nov 17
Meadville, MS345 ftMar 15Nov 12
Natchez, MS195 ftMar 16Nov 9
Liberty, MS328 ftMar 25Nov 8

Frost dates near Crosby

Frequently asked questions

When is the last frost in Crosby, MS?
For ZIP code 39633, the average last spring frost (32°F) is March 11, based on NOAA 1991-2020 climate normals for the Woodville 4 Ese, MS weather station. There is a 1-in-10 chance of a frost after March 31.
When is the first frost in Crosby, MS?
The average first fall frost (32°F) is November 17. There is a 1-in-10 chance of frost by November 2, so tender plants are at risk from that point on.
How long is the growing season in 39633?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 251 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.