FrostDateByZip

Frost dates for 70775Saint Francisville, LA

The average last spring frost in Saint Francisville is February 19 and the average first fall frost is December 5, giving a typical growing season of about 292 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 19

Safer after Mar 14 (1-in-10 risk)

Average first fall frost
Dec 5

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

Growing season
292 days

First frost typically in 32 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 9 · Mar 6 · Mar 25Nov 5 · Nov 22 · Dec 9263 days100%
Frost / freeze (32°F)Jan 21 · Feb 19 · Mar 14Nov 15 · Dec 5 · Jan 4292 days100%
Hard freeze (28°F)Dec 31 · Jan 31 · Mar 2Nov 28 · Dec 29 · Jan 27330 days89%

Planting calendar for Saint Francisville

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 19 – Mar 27
TomatoesTransplant outdoorsMar 7 – Aug 15
PeppersStart seeds indoorsJan 19 – Feb 19
PeppersTransplant outdoorsMar 21 – Apr 21
EggplantStart seeds indoorsFeb 5 – Mar 6
EggplantTransplant outdoorsMar 21 – Apr 21
CucumbersSow outdoorsMar 21 – Aug 25
Summer squashSow outdoorsMar 7 – Apr 21
Winter squash & pumpkinsSow outdoorsMar 21 – Apr 21
Snap beansSow outdoorsMar 7 – Sep 17
Sweet cornSow outdoorsMar 7 – Aug 15
Watermelon & cantaloupeSow outdoorsMar 21 – Apr 21
OkraSow outdoorsMar 14 – Apr 6
PeasSow outdoors (spring)Jan 19 – Mar 6
PotatoesPlant outdoors (spring)Jan 19 – Mar 21
OnionsStart seeds indoors (spring)Dec 8 – Jan 4
OnionsTransplant outdoors (spring)Feb 5 – Mar 6
BroccoliStart seeds indoors (spring)Jan 1 – Feb 4
BroccoliTransplant outdoors (spring)Feb 5 – Mar 6
BroccoliStart seeds indoors (fall)Aug 5 – Aug 15
BroccoliTransplant outdoors (fall)Sep 4 – Sep 15
CabbageStart seeds indoors (spring)Dec 22 – Jan 19
CabbageTransplant outdoors (spring)Jan 19 – Feb 19
CabbageStart seeds indoors (fall)Jul 26 – Aug 25
CabbageTransplant outdoors (fall)Aug 25 – Sep 25
Leaf lettuceSow outdoors (spring)Jan 19 – Apr 6
Leaf lettuceSow outdoors (fall)Aug 25 – Oct 11
SpinachSow outdoors (spring)Jan 12 – Feb 25
SpinachSow outdoors (fall)Sep 11 – Oct 16
RadishesSow outdoors (spring)Jan 19 – Mar 11
RadishesSow outdoors (fall)Aug 25 – Oct 26
KaleSow outdoors (spring)Feb 5 – Feb 25
KaleSow outdoors (fall)Aug 18 – Sep 25
CarrotsSow outdoors (spring)Feb 19 – Apr 6
CarrotsSow outdoors (fall)Jul 26 – Sep 10
GarlicPlant outdoors (fall)Nov 25 – Dec 26

Where these dates come from

ZIP code 70775 is matched to the NOAA station New Roads 5 Ne, LA, 16.6 km away, at 45 ft elevation (76 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
New Roads 5 Ne, LA (used)45 ftFeb 19Dec 5
St Francisville 1 Ne, LA129 ftMar 2Nov 24
Woodville 4 Ese, MS400 ftMar 11Nov 17
Clinton 5 Se, LA200 ftMar 13Nov 17

Frost dates near Saint Francisville

Frequently asked questions

When is the last frost in Saint Francisville, LA?
For ZIP code 70775, the average last spring frost (32°F) is February 19, based on NOAA 1991-2020 climate normals for the New Roads 5 Ne, LA weather station. There is a 1-in-10 chance of a frost after March 14.
When is the first frost in Saint Francisville, LA?
The average first fall frost (32°F) is December 5. 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 70775?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 292 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.