FrostDateByZip

Frost dates for 70540Garden City, LA

The average last spring frost in Garden City is February 11 and the average first fall frost is December 8, giving a typical growing season of about 303 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 11

Safer after Mar 11 (1-in-10 risk)

Average first fall frost
Dec 8

Possible by Nov 15 (1-in-10 risk)

Growing season
303 days

First frost typically in 37 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 1 · Mar 1 · Mar 21Nov 5 · Nov 22 · Dec 12266 days100%
Frost / freeze (32°F)Jan 12 · Feb 11 · Mar 11Nov 15 · Dec 8 · Jan 9303 days99%
Hard freeze (28°F)Dec 22 · Jan 27 · Feb 26Dec 1 · Dec 31 · Feb 1340 days83%

Planting calendar for Garden City

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 11 – Mar 19
TomatoesTransplant outdoorsFeb 27 – Aug 18
PeppersStart seeds indoorsJan 11 – Feb 11
PeppersTransplant outdoorsMar 13 – Apr 13
EggplantStart seeds indoorsJan 28 – Feb 26
EggplantTransplant outdoorsMar 13 – Apr 13
CucumbersSow outdoorsMar 13 – Aug 28
Summer squashSow outdoorsFeb 27 – Apr 13
Winter squash & pumpkinsSow outdoorsMar 13 – Apr 13
Snap beansSow outdoorsFeb 27 – Sep 20
Sweet cornSow outdoorsFeb 27 – Aug 18
Watermelon & cantaloupeSow outdoorsMar 13 – Apr 13
OkraSow outdoorsMar 6 – Mar 29
PeasSow outdoors (spring)Jan 11 – Feb 26
PotatoesPlant outdoors (spring)Jan 11 – Mar 13
OnionsStart seeds indoors (spring)Nov 30 – Dec 27
OnionsTransplant outdoors (spring)Jan 28 – Feb 26
BroccoliStart seeds indoors (spring)Dec 24 – Jan 27
BroccoliTransplant outdoors (spring)Jan 28 – Feb 26
BroccoliStart seeds indoors (fall)Aug 8 – Aug 18
BroccoliTransplant outdoors (fall)Sep 7 – Sep 18
CabbageStart seeds indoors (spring)Dec 14 – Jan 11
CabbageTransplant outdoors (spring)Jan 11 – Feb 11
CabbageStart seeds indoors (fall)Jul 29 – Aug 28
CabbageTransplant outdoors (fall)Aug 28 – Sep 28
Leaf lettuceSow outdoors (spring)Jan 11 – Mar 29
Leaf lettuceSow outdoors (fall)Aug 28 – Oct 14
SpinachSow outdoors (spring)Jan 4 – Feb 17
SpinachSow outdoors (fall)Sep 14 – Oct 19
RadishesSow outdoors (spring)Jan 11 – Mar 3
RadishesSow outdoors (fall)Aug 28 – Oct 29
KaleSow outdoors (spring)Jan 28 – Feb 17
KaleSow outdoors (fall)Aug 21 – Sep 28
CarrotsSow outdoors (spring)Feb 11 – Mar 29
CarrotsSow outdoors (fall)Jul 29 – Sep 13
GarlicPlant outdoors (fall)Nov 28 – Dec 29

Where these dates come from

ZIP code 70540 is matched to the NOAA station Franklin 3 Nw, LA, 10 km away, at 12 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Franklin 3 Nw, LA (used)12 ftFeb 11Dec 8
Salt Point, LA4 ftFeb 2Dec 26
Morgan City, LA5 ftJan 30Jan 1
Jeanerette 5 Nw, LA20 ftFeb 15Dec 3

Frost dates near Garden City

Frequently asked questions

When is the last frost in Garden City, LA?
For ZIP code 70540, the average last spring frost (32°F) is February 11, based on NOAA 1991-2020 climate normals for the Franklin 3 Nw, LA weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in Garden City, LA?
The average first fall frost (32°F) is December 8. There is a 1-in-10 chance of frost by November 15, so tender plants are at risk from that point on.
How long is the growing season in 70540?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 303 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.