FrostDateByZip

Frost dates for 36587Wilmer, AL

The average last spring frost in Wilmer is March 3 and the average first fall frost is November 25, giving a typical growing season of about 268 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 3

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

Average first fall frost
Nov 25

Possible by Nov 8 (1-in-10 risk)

Growing season
268 days

First frost typically in 22 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 26 · Mar 17 · Apr 5Oct 30 · Nov 13 · Dec 4242 days100%
Frost / freeze (32°F)Feb 6 · Mar 3 · Mar 21Nov 8 · Nov 25 · Dec 22268 days100%
Hard freeze (28°F)Jan 17 · Feb 13 · Mar 13Nov 17 · Dec 14 · Jan 17303 days99%

Planting calendar for Wilmer

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 31 – Apr 8
TomatoesTransplant outdoorsMar 19 – Aug 5
PeppersStart seeds indoorsJan 31 – Mar 3
PeppersTransplant outdoorsApr 2 – May 3
EggplantStart seeds indoorsFeb 17 – Mar 18
EggplantTransplant outdoorsApr 2 – May 3
CucumbersSow outdoorsApr 2 – Aug 15
Summer squashSow outdoorsMar 19 – May 3
Winter squash & pumpkinsSow outdoorsApr 2 – May 3
Snap beansSow outdoorsMar 19 – Sep 7
Sweet cornSow outdoorsMar 19 – Aug 5
Watermelon & cantaloupeSow outdoorsApr 2 – May 3
OkraSow outdoorsMar 26 – Apr 18
PeasSow outdoors (spring)Jan 31 – Mar 18
PotatoesPlant outdoors (spring)Jan 31 – Apr 2
OnionsStart seeds indoors (spring)Dec 20 – Jan 16
OnionsTransplant outdoors (spring)Feb 17 – Mar 18
BroccoliStart seeds indoors (spring)Jan 13 – Feb 16
BroccoliTransplant outdoors (spring)Feb 17 – Mar 18
BroccoliStart seeds indoors (fall)Jul 26 – Aug 5
BroccoliTransplant outdoors (fall)Aug 25 – Sep 5
CabbageStart seeds indoors (spring)Jan 3 – Jan 31
CabbageTransplant outdoors (spring)Jan 31 – Mar 3
CabbageStart seeds indoors (fall)Jul 16 – Aug 15
CabbageTransplant outdoors (fall)Aug 15 – Sep 15
Leaf lettuceSow outdoors (spring)Jan 31 – Apr 18
Leaf lettuceSow outdoors (fall)Aug 15 – Oct 1
SpinachSow outdoors (spring)Jan 24 – Mar 9
SpinachSow outdoors (fall)Sep 1 – Oct 6
RadishesSow outdoors (spring)Jan 31 – Mar 23
RadishesSow outdoors (fall)Aug 15 – Oct 16
KaleSow outdoors (spring)Feb 17 – Mar 9
KaleSow outdoors (fall)Aug 8 – Sep 15
CarrotsSow outdoors (spring)Mar 3 – Apr 18
CarrotsSow outdoors (fall)Jul 16 – Aug 31
GarlicPlant outdoors (fall)Nov 15 – Dec 16

Where these dates come from

ZIP code 36587 is matched to the NOAA station Mobile, AL, 17.4 km away, at 208 ft elevation (31 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Mobile, AL (used)208 ftMar 3Nov 25
Mobile Dwtn Ap, AL26 ftFeb 21Dec 6
Pascagoula Lott Intl Ap, MS18 ftMar 1Nov 24
Pascagoula 3 Ne, MS12 ftMar 8Nov 19

Frost dates near Wilmer

Frequently asked questions

When is the last frost in Wilmer, AL?
For ZIP code 36587, the average last spring frost (32°F) is March 3, based on NOAA 1991-2020 climate normals for the Mobile, AL weather station. There is a 1-in-10 chance of a frost after March 21.
When is the first frost in Wilmer, AL?
The average first fall frost (32°F) is November 25. There is a 1-in-10 chance of frost by November 8, so tender plants are at risk from that point on.
How long is the growing season in 36587?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 268 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.