When Is the Last Frost?

Frost dates for 54913 — Appleton, WI

Last spring frostMay 4median date
First fall frostOct 6median date
Growing season155 daysfrost-free
Hardiness zone5bZone 5b

How Appleton compares

Frost probability

Last spring frost
Chance of frost afterDate
90% (early)April 21
50% (median)May 4
10% (safe for tender plants)May 20
First fall frost
Chance of frost beforeDate
10% (early)September 23
50% (median)October 6
90% (late)October 21

Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.

Planting calendar for Appleton, WI

Frost dates for 54913 — Appleton, WI — last frost May 4, first frost Oct 6, zone 5b. whenisthelastfrost.com

Crop
JFMAMJJASOND
Start indoors: Feb 9 to Feb 23Transplant outside: Apr 6 to Apr 20
Start indoors: Feb 23 to Mar 9Transplant outside: May 18 to Jun 1
Start indoors: Feb 23 to Mar 9Transplant outside: May 18 to Jun 1
Start indoors: Mar 9 to Mar 23Transplant outside: May 11 to May 25
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 13 to Apr 27Sow outdoors: Apr 6 to May 11Plant for fall: Aug 11 to Sep 8
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 6 to Apr 20Sow outdoors: Apr 6 to Apr 20Plant for fall: Jul 28 to Aug 18
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 20 to May 4Plant for fall: Jun 30 to Jul 21
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 13 to Apr 27Plant for fall: Jun 30 to Jul 21
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 20 to May 4Plant for fall: Jun 30 to Jul 21
Start indoors: Mar 23 to Apr 6Transplant outside: May 25 to Jun 8Sow outdoors: May 25 to Jun 8
Start indoors: Mar 23 to Apr 6Transplant outside: May 11 to May 25
Sow outdoors: Mar 23 to Apr 13Plant for fall: Jul 14 to Aug 4
Sow outdoors: Mar 23 to Apr 13Plant for fall: Aug 11 to Sep 1
Sow outdoors: Mar 30 to May 11Plant for fall: Aug 25 to Sep 15
Start indoors: Apr 6 to Apr 13Transplant outside: May 18 to May 25Sow outdoors: May 11 to May 25Plant for fall: Jul 21 to Aug 4
Start indoors: Apr 6 to Apr 13Sow outdoors: May 11 to May 25Plant for fall: Jul 28 to Aug 11
Start indoors: Apr 6 to Apr 13Sow outdoors: May 11 to May 25
Start indoors: Apr 6 to Apr 13Transplant outside: May 18 to Jun 1
Sow outdoors: Apr 13 to May 11Plant for fall: Jul 14 to Jul 28
Sow outdoors: Apr 13 to May 11Plant for fall: Jul 28 to Aug 11
Sow outdoors: Apr 13 to May 4
Sow outdoors: Apr 20 to May 18Plant for fall: Jul 28 to Aug 11
Sow outdoors: Apr 20 to May 11Plant for fall: Aug 11 to Sep 1
Sow outdoors: May 11 to Jun 1Plant for fall: Jul 21 to Aug 4
Sow outdoors: May 11 to May 25
Transplant outside: May 18 to Jun 8
Plant for fall: Sep 22 to Oct 27
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates

When to plant vegetables in Appleton, WI

CropStart indoorsTransplantSow outdoorsFall crop
OnionsFeb 9 – Feb 23Apr 6 – Apr 20——
PeppersFeb 23 – Mar 9May 18 – Jun 1——
EggplantFeb 23 – Mar 9May 18 – Jun 1——
TomatoesMar 9 – Mar 23May 11 – May 25——
LettuceMar 9 – Mar 23Apr 13 – Apr 27Apr 6 – May 11Aug 11 – Sep 8
KaleMar 9 – Mar 23Apr 6 – Apr 20Apr 6 – Apr 20Jul 28 – Aug 18
BroccoliMar 9 – Mar 23Apr 20 – May 4—Jun 30 – Jul 21
CabbageMar 9 – Mar 23Apr 13 – Apr 27—Jun 30 – Jul 21
CauliflowerMar 9 – Mar 23Apr 20 – May 4—Jun 30 – Jul 21
OkraMar 23 – Apr 6May 25 – Jun 8May 25 – Jun 8—
BasilMar 23 – Apr 6May 11 – May 25——
Peas——Mar 23 – Apr 13Jul 14 – Aug 4
Spinach——Mar 23 – Apr 13Aug 11 – Sep 1
Radishes——Mar 30 – May 11Aug 25 – Sep 15
CucumbersApr 6 – Apr 13May 18 – May 25May 11 – May 25Jul 21 – Aug 4
Zucchini & Summer SquashApr 6 – Apr 13—May 11 – May 25Jul 28 – Aug 11
Winter Squash & PumpkinsApr 6 – Apr 13—May 11 – May 25—
Melons & WatermelonApr 6 – Apr 13May 18 – Jun 1——
Carrots——Apr 13 – May 11Jul 14 – Jul 28
Beets——Apr 13 – May 11Jul 28 – Aug 11
Potatoes——Apr 13 – May 4—
Swiss Chard——Apr 20 – May 18Jul 28 – Aug 11
Cilantro——Apr 20 – May 11Aug 11 – Sep 1
Green Beans——May 11 – Jun 1Jul 21 – Aug 4
Sweet Corn——May 11 – May 25—
Sweet Potatoes—May 18 – Jun 8——
Garlic———Sep 22 – Oct 27

Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.

About these dates

Based on 1991–2020 NOAA climate normals for the Appleton, WI weather station, 8 km away (elevation 791 ft (241 m)).

ZIP codes in Appleton: 54911 54912 54913 54914 54915 54919

Frost dates near Appleton

Frequently asked questions

When is the last frost in Appleton, WI?

The median last spring frost in Appleton, WI is May 4. There is still about a 10% chance of frost after May 20, so wait until then to plant frost-tender crops like tomatoes and peppers.

When is the first frost in Appleton, WI?

The median first fall frost is October 6, with about a 10% chance of frost before September 23.

How long is the growing season in Appleton, WI?

About 155 days between the median last spring frost and first fall frost.

What planting zone is Appleton, WI?

Appleton, WI is in USDA hardiness zone 5b.

Check another location