FrostDateByZip

Frost dates for 38744Glen Allan, MS

The average last spring frost in Glen Allan is March 5 and the average first fall frost is November 20, giving a typical growing season of about 261 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 5

Safer after Mar 22 (1-in-10 risk)

Average first fall frost
Nov 20

Possible by Nov 3 (1-in-10 risk)

Growing season
261 days

First frost typically in 17 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)Feb 27 · Mar 18 · Apr 4Oct 25 · Nov 7 · Nov 25235 days100%
Frost / freeze (32°F)Feb 12 · Mar 5 · Mar 22Nov 3 · Nov 20 · Dec 10261 days100%
Hard freeze (28°F)Jan 24 · Feb 21 · Mar 14Nov 14 · Dec 5 · Jan 7290 days100%

Planting calendar for Glen Allan

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 2 – Apr 10
TomatoesTransplant outdoorsMar 21 – Jul 31
PeppersStart seeds indoorsFeb 2 – Mar 5
PeppersTransplant outdoorsApr 4 – May 5
EggplantStart seeds indoorsFeb 19 – Mar 20
EggplantTransplant outdoorsApr 4 – May 5
CucumbersSow outdoorsApr 4 – Aug 10
Summer squashSow outdoorsMar 21 – May 5
Winter squash & pumpkinsSow outdoorsApr 4 – May 5
Snap beansSow outdoorsMar 21 – Sep 2
Sweet cornSow outdoorsMar 21 – Jul 31
Watermelon & cantaloupeSow outdoorsApr 4 – May 5
OkraSow outdoorsMar 28 – Apr 20
PeasSow outdoors (spring)Feb 2 – Mar 20
PotatoesPlant outdoors (spring)Feb 2 – Apr 4
OnionsStart seeds indoors (spring)Dec 22 – Jan 18
OnionsTransplant outdoors (spring)Feb 19 – Mar 20
BroccoliStart seeds indoors (spring)Jan 15 – Feb 18
BroccoliTransplant outdoors (spring)Feb 19 – Mar 20
BroccoliStart seeds indoors (fall)Jul 21 – Jul 31
BroccoliTransplant outdoors (fall)Aug 20 – Aug 31
CabbageStart seeds indoors (spring)Jan 5 – Feb 2
CabbageTransplant outdoors (spring)Feb 2 – Mar 5
CabbageStart seeds indoors (fall)Jul 11 – Aug 10
CabbageTransplant outdoors (fall)Aug 10 – Sep 10
Leaf lettuceSow outdoors (spring)Feb 2 – Apr 20
Leaf lettuceSow outdoors (fall)Aug 10 – Sep 26
SpinachSow outdoors (spring)Jan 26 – Mar 11
SpinachSow outdoors (fall)Aug 27 – Oct 1
RadishesSow outdoors (spring)Feb 2 – Mar 25
RadishesSow outdoors (fall)Aug 10 – Oct 11
KaleSow outdoors (spring)Feb 19 – Mar 11
KaleSow outdoors (fall)Aug 3 – Sep 10
CarrotsSow outdoors (spring)Mar 5 – Apr 20
CarrotsSow outdoors (fall)Jul 11 – Aug 26
GarlicPlant outdoors (fall)Nov 10 – Dec 11

Where these dates come from

ZIP code 38744 is matched to the NOAA station Rolling Fork, MS, 18.3 km away, at 105 ft elevation (0 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Rolling Fork, MS (used)105 ftMar 5Nov 20
Eudora, AR135 ftMar 13Nov 14
Lake Providence, LA100 ftMar 5Nov 24
Greenville, MS125 ftMar 13Nov 15

Frost dates near Glen Allan

Frequently asked questions

When is the last frost in Glen Allan, MS?
For ZIP code 38744, the average last spring frost (32°F) is March 5, based on NOAA 1991-2020 climate normals for the Rolling Fork, MS weather station. There is a 1-in-10 chance of a frost after March 22.
When is the first frost in Glen Allan, MS?
The average first fall frost (32°F) is November 20. There is a 1-in-10 chance of frost by November 3, so tender plants are at risk from that point on.
How long is the growing season in 38744?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 261 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.