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

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Planting Calendar for Monroe, 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 2 (at MONROE WWTP, WI climate station, elevation 990 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 18-May 2
Moon Apr 19-May 2
BasilFrost Mar 6-21
Moon Mar 6- 7
Frost May 2-23
Moon May 2- 5, May 19-23
N/A
BeetsN/AN/AFrost Apr 18-May 9
Moon Apr 18, May 6- 9
Bell PeppersFrost Feb 20-Mar 6
Moon Feb 20-Mar 6
Frost May 9-23
Moon May 19-23
N/A
Bok ChoyFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost May 9-23
Moon May 19-23
N/A
BroccoliFrost Mar 6-21
Moon Mar 6- 7
Frost Apr 4-25
Moon Apr 4- 5, Apr 19-25
N/A
CabbageFrost Mar 6-21
Moon Mar 6- 7
Frost Apr 4-18
Moon Apr 4- 5
N/A
CantaloupesFrost Apr 4-11
Moon Apr 4- 5
Frost May 16-30
Moon May 19-30
N/A
CarrotsN/AN/AFrost Mar 28-Apr 11
Moon Apr 6-11
CauliflowerFrost Mar 6-21
Moon Mar 6- 7
Frost Apr 4-25
Moon Apr 4- 5, Apr 19-25
N/A
CeleryFrost Feb 20-Mar 6
Moon Feb 20-Mar 6
Frost May 9-23
Moon May 19-23
N/A
ChivesN/AN/AFrost Apr 4-11
Moon Apr 4- 5
Cilantro (Coriander)N/AN/AFrost May 2-16
Moon May 2- 5
CollardsN/AN/AFrost Apr 4-18
Moon Apr 4- 5
CornN/AN/AFrost May 16-Jun 6
Moon May 19-Jun 3
CucumbersFrost Apr 4-11
Moon Apr 4- 5
Frost May 16-30
Moon May 19-30
N/A
DillN/AN/AFrost May 2-Jun 6
Moon May 2- 5, May 19-Jun 3
EggplantsFrost Mar 6-21
Moon Mar 6- 7
Frost May 16-30
Moon May 19-30
N/A
Fava Beans (Broad Beans)Frost Feb 6-20
Moon Feb 20
Frost Mar 14-Apr 4
Moon Mar 21-Apr 4
N/A
Green BeansN/AN/AFrost May 9-30
Moon May 19-30
Jalapeño PeppersFrost Feb 20-Mar 6
Moon Feb 20-Mar 6
Frost May 9-23
Moon May 19-23
N/A
KaleFrost Mar 6-21
Moon Mar 6- 7
Frost Apr 4-25
Moon Apr 4- 5, Apr 19-25
N/A
KohlrabiFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 11-18
N/A
LettuceFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 18-May 16
Moon Apr 19-May 5
N/A
OkraN/AN/AFrost May 16-30
Moon May 19-30
OnionsN/AN/AFrost Apr 4-25
Moon Apr 6-18
OreganoFrost Feb 20-Mar 21
Moon Feb 20-Mar 7
Frost May 2-23
Moon May 2- 5, May 19-23
N/A
ParsleyN/AN/AFrost Apr 4-18
Moon Apr 4- 5
ParsnipsN/AN/AFrost Apr 11-May 2
Moon Apr 11-18
PeasN/AN/AFrost Mar 21-Apr 11
Moon Mar 21-Apr 5
PotatoesN/AN/AFrost Apr 4-18
Moon Apr 6-18
PumpkinsFrost Apr 11-25
Moon Apr 19-25
Frost May 16-30
Moon May 19-30
N/A
RadishesN/AN/AFrost Mar 6-28
Moon Mar 8-20
RosemaryFrost Feb 20-Mar 6
Moon Feb 20-Mar 6
Frost May 9-30
Moon May 19-30
N/A
SageFrost Mar 6-21
Moon Mar 6- 7
Frost May 2-16
Moon May 2- 5
N/A
SpinachN/AN/AFrost Mar 21-Apr 11
Moon Mar 21-Apr 5
Sweet PotatoesN/AN/AFrost May 23-Jun 6
Moon Jun 4- 6
Swiss ChardFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 11-18
N/A
ThymeFrost Feb 20-Mar 21
Moon Feb 20-Mar 7
Frost May 2-23
Moon May 2- 5, May 19-23
N/A
TomatillosFrost Mar 6-21
Moon Mar 6- 7
Frost May 23-Jun 6
Moon May 23-Jun 3
N/A
TomatoesFrost Mar 6-21
Moon Mar 6- 7
Frost May 9-30
Moon May 19-30
N/A
TurnipsN/AN/AFrost Apr 4-25
Moon Apr 6-18
WatermelonsFrost Apr 4-11
Moon Apr 4- 5
Frost May 16-30
Moon May 19-30
N/A
Winter SquashN/AN/AFrost May 16-Jun 13
Moon May 19-Jun 3
Zucchini, Summer SquashN/AN/AFrost May 16-Jun 13
Moon May 19-Jun 3

Planting Dates for Fall

On average, your first fall frost occurs on October 8 (at MONROE 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 3
BeetsN/AN/AFrost Aug 24
Bell PeppersFrost Apr 25Frost Jun 20N/A
Bok ChoyN/AN/AFrost Aug 29
BroccoliFrost Jun 27Frost Jul 25N/A
CabbageFrost Jun 17Frost Jul 15N/A
CantaloupesN/AN/AFrost Jun 10
CarrotsN/AN/AFrost Aug 19
CauliflowerFrost Jun 27Frost Jul 25N/A
CeleryFrost Apr 16Frost Jun 25N/A
CollardsN/AN/AFrost Aug 9
CornN/AN/AFrost Jun 30
CucumbersN/AN/AFrost Jul 5
EggplantsFrost Apr 25Frost Jun 20N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 9
Green BeansN/AN/AFrost Jul 5
Jalapeño PeppersFrost May 15Frost Jul 10N/A
KaleFrost Jul 17Frost Aug 14N/A
KohlrabiN/AN/AFrost Aug 19
LettuceN/AN/AFrost Aug 29
OkraN/AN/AFrost Jun 30
ParsnipsN/AN/AFrost Jul 5
PeasN/AN/AFrost Aug 4
PotatoesN/AN/AFrost Jun 20
PumpkinsN/AN/AFrost May 30
RadishesN/AN/AFrost Sep 3
SpinachN/AN/AFrost Sep 13
Sweet PotatoesFrost May 6Frost Jun 10N/A
Swiss ChardN/AN/AFrost Aug 29
TomatillosN/AN/AFrost Jun 30
TomatoesFrost Apr 30Frost Jun 25N/A
TurnipsN/AN/AFrost Aug 29
WatermelonsN/AN/AFrost Jun 10
Winter SquashN/AN/AFrost Jun 25
Zucchini, Summer SquashN/AN/AFrost Jul 10
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