FrostDateByZip

Frost dates for 70558Milton, LA

The average last spring frost in Milton is February 26 and the average first fall frost is November 28, giving a typical growing season of about 279 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 26

Safer after Mar 20 (1-in-10 risk)

Average first fall frost
Nov 28

Possible by Nov 7 (1-in-10 risk)

Growing season
279 days

First frost typically in 25 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 17 · Mar 11 · Apr 3Nov 1 · Nov 13 · Dec 4250 days100%
Frost / freeze (32°F)Jan 29 · Feb 26 · Mar 20Nov 7 · Nov 28 · Dec 26279 days100%
Hard freeze (28°F)Jan 2 · Feb 5 · Mar 8Nov 18 · Dec 14 · Jan 18313 days93%

Planting calendar for Milton

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 26 – Apr 3
TomatoesTransplant outdoorsMar 14 – Aug 8
PeppersStart seeds indoorsJan 26 – Feb 26
PeppersTransplant outdoorsMar 28 – Apr 28
EggplantStart seeds indoorsFeb 12 – Mar 13
EggplantTransplant outdoorsMar 28 – Apr 28
CucumbersSow outdoorsMar 28 – Aug 18
Summer squashSow outdoorsMar 14 – Apr 28
Winter squash & pumpkinsSow outdoorsMar 28 – Apr 28
Snap beansSow outdoorsMar 14 – Sep 10
Sweet cornSow outdoorsMar 14 – Aug 8
Watermelon & cantaloupeSow outdoorsMar 28 – Apr 28
OkraSow outdoorsMar 21 – Apr 13
PeasSow outdoors (spring)Jan 26 – Mar 13
PotatoesPlant outdoors (spring)Jan 26 – Mar 28
OnionsStart seeds indoors (spring)Dec 15 – Jan 11
OnionsTransplant outdoors (spring)Feb 12 – Mar 13
BroccoliStart seeds indoors (spring)Jan 8 – Feb 11
BroccoliTransplant outdoors (spring)Feb 12 – Mar 13
BroccoliStart seeds indoors (fall)Jul 29 – Aug 8
BroccoliTransplant outdoors (fall)Aug 28 – Sep 8
CabbageStart seeds indoors (spring)Dec 29 – Jan 26
CabbageTransplant outdoors (spring)Jan 26 – Feb 26
CabbageStart seeds indoors (fall)Jul 19 – Aug 18
CabbageTransplant outdoors (fall)Aug 18 – Sep 18
Leaf lettuceSow outdoors (spring)Jan 26 – Apr 13
Leaf lettuceSow outdoors (fall)Aug 18 – Oct 4
SpinachSow outdoors (spring)Jan 19 – Mar 4
SpinachSow outdoors (fall)Sep 4 – Oct 9
RadishesSow outdoors (spring)Jan 26 – Mar 18
RadishesSow outdoors (fall)Aug 18 – Oct 19
KaleSow outdoors (spring)Feb 12 – Mar 4
KaleSow outdoors (fall)Aug 11 – Sep 18
CarrotsSow outdoors (spring)Feb 26 – Apr 13
CarrotsSow outdoors (fall)Jul 19 – Sep 3
GarlicPlant outdoors (fall)Nov 18 – Dec 19

Where these dates come from

ZIP code 70558 is matched to the NOAA station Lafayette, LA, 12.9 km away, at 25 ft elevation (2 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Lafayette, LA (used)25 ftFeb 26Nov 28
Lafayette Rgnl Ap, LA38 ftFeb 13Dec 4
Lafayette 13 Se, LA35 ftFeb 19Dec 1
New Iberia Acadiana Rgnl Ap, LA24 ftFeb 14Dec 5

Frost dates near Milton

Frequently asked questions

When is the last frost in Milton, LA?
For ZIP code 70558, the average last spring frost (32°F) is February 26, based on NOAA 1991-2020 climate normals for the Lafayette, LA weather station. There is a 1-in-10 chance of a frost after March 20.
When is the first frost in Milton, LA?
The average first fall frost (32°F) is November 28. There is a 1-in-10 chance of frost by November 7, so tender plants are at risk from that point on.
How long is the growing season in 70558?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 279 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.