FrostDateByZip

Frost dates for 70633Dequincy, LA

The average last spring frost in Dequincy is March 2 and the average first fall frost is November 25, giving a typical growing season of about 267 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 2

Safer after Mar 26 (1-in-10 risk)

Average first fall frost
Nov 25

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

Growing season
267 days

First frost typically in 28 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 22 · Mar 20 · Apr 11Oct 28 · Nov 12 · Dec 1237 days100%
Frost / freeze (32°F)Jan 30 · Mar 2 · Mar 26Nov 3 · Nov 25 · Dec 21267 days100%
Hard freeze (28°F)Jan 11 · Feb 11 · Mar 13Nov 15 · Dec 10 · Jan 15306 days97%

Planting calendar for Dequincy

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 indoorsJan 30 – Apr 7
TomatoesTransplant outdoorsMar 18 – Aug 5
PeppersStart seeds indoorsJan 30 – Mar 2
PeppersTransplant outdoorsApr 1 – May 2
EggplantStart seeds indoorsFeb 16 – Mar 17
EggplantTransplant outdoorsApr 1 – May 2
CucumbersSow outdoorsApr 1 – Aug 15
Summer squashSow outdoorsMar 18 – May 2
Winter squash & pumpkinsSow outdoorsApr 1 – May 2
Snap beansSow outdoorsMar 18 – Sep 7
Sweet cornSow outdoorsMar 18 – Aug 5
Watermelon & cantaloupeSow outdoorsApr 1 – May 2
OkraSow outdoorsMar 25 – Apr 17
PeasSow outdoors (spring)Jan 30 – Mar 17
PotatoesPlant outdoors (spring)Jan 30 – Apr 1
OnionsStart seeds indoors (spring)Dec 19 – Jan 15
OnionsTransplant outdoors (spring)Feb 16 – Mar 17
BroccoliStart seeds indoors (spring)Jan 12 – Feb 15
BroccoliTransplant outdoors (spring)Feb 16 – Mar 17
BroccoliStart seeds indoors (fall)Jul 26 – Aug 5
BroccoliTransplant outdoors (fall)Aug 25 – Sep 5
CabbageStart seeds indoors (spring)Jan 2 – Jan 30
CabbageTransplant outdoors (spring)Jan 30 – Mar 2
CabbageStart seeds indoors (fall)Jul 16 – Aug 15
CabbageTransplant outdoors (fall)Aug 15 – Sep 15
Leaf lettuceSow outdoors (spring)Jan 30 – Apr 17
Leaf lettuceSow outdoors (fall)Aug 15 – Oct 1
SpinachSow outdoors (spring)Jan 23 – Mar 8
SpinachSow outdoors (fall)Sep 1 – Oct 6
RadishesSow outdoors (spring)Jan 30 – Mar 22
RadishesSow outdoors (fall)Aug 15 – Oct 16
KaleSow outdoors (spring)Feb 16 – Mar 8
KaleSow outdoors (fall)Aug 8 – Sep 15
CarrotsSow outdoors (spring)Mar 2 – Apr 17
CarrotsSow outdoors (fall)Jul 16 – Aug 31
GarlicPlant outdoors (fall)Nov 15 – Dec 16

Where these dates come from

ZIP code 70633 is matched to the NOAA station Moss Bluff 2 Nnw, LA, 21.2 km away, at 25 ft elevation (24 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Moss Bluff 2 Nnw, LA (used)25 ftMar 2Nov 25
Orange 9 N, TX18 ftFeb 28Nov 23
Lake Charles, LA13 ftFeb 14Dec 7
De Ridder, LA190 ftMar 1Nov 25

Frost dates near Dequincy

Frequently asked questions

When is the last frost in Dequincy, LA?
For ZIP code 70633, the average last spring frost (32°F) is March 2, based on NOAA 1991-2020 climate normals for the Moss Bluff 2 Nnw, LA weather station. There is a 1-in-10 chance of a frost after March 26.
When is the first frost in Dequincy, LA?
The average first fall frost (32°F) is November 25. 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 70633?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 267 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.