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2023 Planting Calendar: When to Start Vegetable Seeds | The Old Farmer's Almanac

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Planting Calendar for Oconomowoc, WI

For the Almanac's fall and spring planting calendars, we've calculated the best time to start seeds indoors, when to transplant young plants outside, and when to direct seed into the ground.

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Planting Dates for Spring

On average, your last spring frost occurs on May 6 (at OCONOMOWOC WWTP, WI climate station, elevation 859 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 22-May 6
Moon Apr 22-May 5
BasilFrost Mar 10-25
Moon Mar 21-25
Frost May 6-27
Moon May 19-27
N/A
BeetsN/AN/AFrost Apr 22-May 13
Moon May 6-13
Bell PeppersFrost Feb 24-Mar 10
Moon Feb 24-Mar 7
Frost May 13-27
Moon May 19-27
N/A
Bok ChoyFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 13-27
Moon May 19-27
N/A
BroccoliFrost Mar 10-25
Moon Mar 21-25
Frost Apr 8-29
Moon Apr 19-29
N/A
CabbageFrost Mar 10-25
Moon Mar 21-25
Frost Apr 8-22
Moon Apr 19-22
N/A
CantaloupesFrost Apr 8-15
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
CarrotsN/AN/AFrost Apr 1-15
Moon Apr 6-15
CauliflowerFrost Mar 10-25
Moon Mar 21-25
Frost Apr 8-29
Moon Apr 19-29
N/A
CeleryFrost Feb 24-Mar 10
Moon Feb 24-Mar 7
Frost May 13-27
Moon May 19-27
N/A
ChivesN/AN/AFrost Apr 8-15
Cilantro (Coriander)N/AN/AFrost May 6-20
Moon May 19-20
CollardsN/AN/AFrost Apr 8-22
Moon Apr 19-22
CornN/AN/AFrost May 20-Jun 10
Moon May 20-Jun 3
CucumbersFrost Apr 8-15
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
DillN/AN/AFrost May 6-Jun 10
Moon May 19-Jun 3
EggplantsFrost Mar 10-25
Moon Mar 21-25
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
Fava Beans (Broad Beans)Frost Feb 10-24
Moon Feb 20-24
Frost Mar 18-Apr 8
Moon Mar 21-Apr 5
N/A
Green BeansN/AN/AFrost May 13-Jun 3
Moon May 19-Jun 3
Jalapeño PeppersFrost Feb 24-Mar 10
Moon Feb 24-Mar 7
Frost May 13-27
Moon May 19-27
N/A
KaleFrost Mar 10-25
Moon Mar 21-25
Frost Apr 8-29
Moon Apr 19-29
N/A
KohlrabiFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 15-22
Moon Apr 19-22
N/A
LettuceFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 20
Moon Apr 22-May 5, May 19-20
N/A
OkraN/AN/AFrost May 20-Jun 3
Moon May 20-Jun 3
OnionsN/AN/AFrost Apr 8-29
Moon Apr 8-18
OreganoFrost Feb 24-Mar 25
Moon Feb 24-Mar 7, Mar 21-25
Frost May 6-27
Moon May 19-27
N/A
ParsleyN/AN/AFrost Apr 8-22
Moon Apr 19-22
ParsnipsN/AN/AFrost Apr 15-May 6
Moon Apr 15-18, May 6
PeasN/AN/AFrost Mar 25-Apr 15
Moon Mar 25-Apr 5
PotatoesN/AN/AFrost Apr 8-22
Moon Apr 8-18
PumpkinsFrost Apr 15-29
Moon Apr 19-29
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
RadishesN/AN/AFrost Mar 10-Apr 1
Moon Mar 10-20
RosemaryFrost Feb 24-Mar 10
Moon Feb 24-Mar 7
Frost May 13-Jun 3
Moon May 19-Jun 3
N/A
SageFrost Mar 10-25
Moon Mar 21-25
Frost May 6-20
Moon May 19-20
N/A
SpinachN/AN/AFrost Mar 25-Apr 15
Moon Mar 25-Apr 5
Sweet PotatoesN/AN/AFrost May 27-Jun 10
Moon Jun 4-10
Swiss ChardFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 15-22
Moon Apr 19-22
N/A
ThymeFrost Feb 24-Mar 25
Moon Feb 24-Mar 7, Mar 21-25
Frost May 6-27
Moon May 19-27
N/A
TomatillosFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
TomatoesFrost Mar 10-25
Moon Mar 21-25
Frost May 13-Jun 3
Moon May 19-Jun 3
N/A
TurnipsN/AN/AFrost Apr 8-29
Moon Apr 8-18
WatermelonsFrost Apr 8-15
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
Winter SquashN/AN/AFrost May 20-Jun 17
Moon May 20-Jun 3, Jun 17
Zucchini, Summer SquashN/AN/AFrost May 20-Jun 17
Moon May 20-Jun 3, Jun 17

Planting Dates for Fall

On average, your first fall frost occurs on October 6 (at OCONOMOWOC WWTP, WI climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 1
BeetsN/AN/AFrost Aug 22
Bell PeppersFrost Apr 23Frost Jun 18N/A
Bok ChoyN/AN/AFrost Aug 27
BroccoliFrost Jun 25Frost Jul 23N/A
CabbageFrost Jun 15Frost Jul 13N/A
CantaloupesN/AN/AFrost Jun 8
CarrotsN/AN/AFrost Aug 17
CauliflowerFrost Jun 25Frost Jul 23N/A
CeleryFrost Apr 14Frost Jun 23N/A
CollardsN/AN/AFrost Aug 7
CornN/AN/AFrost Jun 28
CucumbersN/AN/AFrost Jul 3
EggplantsFrost Apr 23Frost Jun 18N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 7
Green BeansN/AN/AFrost Jul 3
Jalapeño PeppersFrost May 13Frost Jul 8N/A
KaleFrost Jul 15Frost Aug 12N/A
KohlrabiN/AN/AFrost Aug 17
LettuceN/AN/AFrost Aug 27
OkraN/AN/AFrost Jun 28
ParsnipsN/AN/AFrost Jul 3
PeasN/AN/AFrost Aug 2
PotatoesN/AN/AFrost Jun 18
PumpkinsN/AN/AFrost June 3
RadishesN/AN/AFrost Sep 1
SpinachN/AN/AFrost Sep 11
Sweet PotatoesFrost May 4Frost June 10N/A
Swiss ChardN/AN/AFrost Aug 27
TomatillosN/AN/AFrost Jun 28
TomatoesFrost Apr 28Frost Jun 23N/A
TurnipsN/AN/AFrost Aug 27
WatermelonsN/AN/AFrost Jun 8
Winter SquashN/AN/AFrost Jun 23
Zucchini, Summer SquashN/AN/AFrost Jul 8
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