FrostDateByZip

Frost dates for 53825Stitzer, WI

The average last spring frost in Stitzer is April 27 and the average first fall frost is October 11, giving a typical growing season of about 166 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 27

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

Average first fall frost
Oct 11

Possible by Sep 27 (1-in-10 risk)

Growing season
166 days

Last frost typically in 176 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)Apr 23 · May 6 · May 20Sep 19 · Oct 2 · Oct 15147 days100%
Frost / freeze (32°F)Apr 11 · Apr 27 · May 11Sep 27 · Oct 11 · Oct 24166 days100%
Hard freeze (28°F)Apr 3 · Apr 16 · May 1Oct 6 · Oct 22 · Nov 3189 days100%

Planting calendar for Stitzer

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 indoorsMar 27 – Jun 2
TomatoesTransplant outdoorsMay 13 – Jun 21
PeppersStart seeds indoorsMar 27 – Apr 27
PeppersTransplant outdoorsMay 27 – Jun 27
EggplantStart seeds indoorsApr 13 – May 12
EggplantTransplant outdoorsMay 27 – Jun 27
CucumbersSow outdoorsMay 27 – Jul 1
Summer squashSow outdoorsMay 13 – Jun 27
Winter squash & pumpkinsSow outdoorsMay 27 – Jun 27
Snap beansSow outdoorsMay 13 – Jul 24
Sweet cornSow outdoorsMay 13 – Jun 21
Watermelon & cantaloupeSow outdoorsMay 27 – Jun 27
OkraSow outdoorsMay 20 – Jun 12
PeasSow outdoors (spring)Mar 27 – May 12
PotatoesPlant outdoors (spring)Mar 27 – May 27
OnionsStart seeds indoors (spring)Feb 13 – Mar 12
OnionsTransplant outdoors (spring)Apr 13 – May 12
BroccoliStart seeds indoors (spring)Mar 9 – Apr 12
BroccoliTransplant outdoors (spring)Apr 13 – May 12
BroccoliStart seeds indoors (fall)Jun 11 – Jun 21
BroccoliTransplant outdoors (fall)Jul 11 – Jul 22
CabbageStart seeds indoors (spring)Feb 27 – Mar 27
CabbageTransplant outdoors (spring)Mar 27 – Apr 27
CabbageStart seeds indoors (fall)Jun 1 – Jul 1
CabbageTransplant outdoors (fall)Jul 1 – Aug 1
Leaf lettuceSow outdoors (spring)Mar 27 – Jun 12
Leaf lettuceSow outdoors (fall)Jul 1 – Aug 17
SpinachSow outdoors (spring)Mar 20 – May 3
SpinachSow outdoors (fall)Jul 18 – Aug 22
RadishesSow outdoors (spring)Mar 27 – May 17
RadishesSow outdoors (fall)Jul 1 – Sep 1
KaleSow outdoors (spring)Apr 13 – May 3
KaleSow outdoors (fall)Jun 24 – Aug 1
CarrotsSow outdoors (spring)Apr 27 – Jun 12
CarrotsSow outdoors (fall)Jun 1 – Jul 17
GarlicPlant outdoors (fall)Oct 1 – Nov 1

Where these dates come from

ZIP code 53825 is matched to the NOAA station Lancaster 4 Wsw, WI, 18.1 km away, at 1,040 ft elevation (95 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Lancaster 4 Wsw, WI (used)1,040 ftApr 27Oct 11
Platteville, WI990 ftApr 30Oct 13
Boscobel Ap, WI672 ftMay 3Oct 7
Steuben 4 Se, WI1,015 ftApr 22Oct 20

Frost dates near Stitzer

Frequently asked questions

When is the last frost in Stitzer, WI?
For ZIP code 53825, the average last spring frost (32°F) is April 27, based on NOAA 1991-2020 climate normals for the Lancaster 4 Wsw, WI weather station. There is a 1-in-10 chance of a frost after May 11.
When is the first frost in Stitzer, WI?
The average first fall frost (32°F) is October 11. There is a 1-in-10 chance of frost by September 27, so tender plants are at risk from that point on.
How long is the growing season in 53825?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 166 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.