FrostDateByZip

Frost dates for 70764Plaquemine, LA

The average last spring frost in Plaquemine is February 28 and the average first fall frost is November 26, giving a typical growing season of about 272 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 28

Safer after Mar 21 (1-in-10 risk)

Average first fall frost
Nov 26

Possible by Nov 6 (1-in-10 risk)

Growing season
272 days

First frost typically in 23 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 21 · Mar 16 · Apr 5Oct 29 · Nov 12 · Dec 1242 days100%
Frost / freeze (32°F)Jan 31 · Feb 28 · Mar 21Nov 6 · Nov 26 · Dec 22272 days100%
Hard freeze (28°F)Jan 7 · Feb 7 · Mar 10Nov 20 · Dec 16 · Jan 16309 days96%

Planting calendar for Plaquemine

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 28 – Apr 5
TomatoesTransplant outdoorsMar 16 – Aug 6
PeppersStart seeds indoorsJan 28 – Feb 28
PeppersTransplant outdoorsMar 30 – Apr 30
EggplantStart seeds indoorsFeb 14 – Mar 15
EggplantTransplant outdoorsMar 30 – Apr 30
CucumbersSow outdoorsMar 30 – Aug 16
Summer squashSow outdoorsMar 16 – Apr 30
Winter squash & pumpkinsSow outdoorsMar 30 – Apr 30
Snap beansSow outdoorsMar 16 – Sep 8
Sweet cornSow outdoorsMar 16 – Aug 6
Watermelon & cantaloupeSow outdoorsMar 30 – Apr 30
OkraSow outdoorsMar 23 – Apr 15
PeasSow outdoors (spring)Jan 28 – Mar 15
PotatoesPlant outdoors (spring)Jan 28 – Mar 30
OnionsStart seeds indoors (spring)Dec 17 – Jan 13
OnionsTransplant outdoors (spring)Feb 14 – Mar 15
BroccoliStart seeds indoors (spring)Jan 10 – Feb 13
BroccoliTransplant outdoors (spring)Feb 14 – Mar 15
BroccoliStart seeds indoors (fall)Jul 27 – Aug 6
BroccoliTransplant outdoors (fall)Aug 26 – Sep 6
CabbageStart seeds indoors (spring)Dec 31 – Jan 28
CabbageTransplant outdoors (spring)Jan 28 – Feb 28
CabbageStart seeds indoors (fall)Jul 17 – Aug 16
CabbageTransplant outdoors (fall)Aug 16 – Sep 16
Leaf lettuceSow outdoors (spring)Jan 28 – Apr 15
Leaf lettuceSow outdoors (fall)Aug 16 – Oct 2
SpinachSow outdoors (spring)Jan 21 – Mar 6
SpinachSow outdoors (fall)Sep 2 – Oct 7
RadishesSow outdoors (spring)Jan 28 – Mar 20
RadishesSow outdoors (fall)Aug 16 – Oct 17
KaleSow outdoors (spring)Feb 14 – Mar 6
KaleSow outdoors (fall)Aug 9 – Sep 16
CarrotsSow outdoors (spring)Feb 28 – Apr 15
CarrotsSow outdoors (fall)Jul 17 – Sep 1
GarlicPlant outdoors (fall)Nov 16 – Dec 17

Where these dates come from

ZIP code 70764 is matched to the NOAA station Lsu Ben-Hur Farm, LA, 13.4 km away, at 21 ft elevation (5 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Lsu Ben-Hur Farm, LA (used)21 ftFeb 28Nov 26
Brusly 2 W, LA20 ftFeb 28Nov 24
Carville 2 Sw, LA25 ftFeb 9Dec 13
Donaldsonville 4 Sw, LA30 ftFeb 21Dec 5

Frost dates near Plaquemine

Frequently asked questions

When is the last frost in Plaquemine, LA?
For ZIP code 70764, the average last spring frost (32°F) is February 28, based on NOAA 1991-2020 climate normals for the Lsu Ben-Hur Farm, LA weather station. There is a 1-in-10 chance of a frost after March 21.
When is the first frost in Plaquemine, LA?
The average first fall frost (32°F) is November 26. There is a 1-in-10 chance of frost by November 6, so tender plants are at risk from that point on.
How long is the growing season in 70764?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 272 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.