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

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Planting Calendar for Port Washington, 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 4 (at PORT WASHINGTON, WI climate station, elevation 593 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 20-May 4
Moon Apr 20-May 4
BasilFrost Mar 8-23
Moon Mar 21-23
Frost May 4-25
Moon May 4- 5, May 19-25
N/A
BeetsN/AN/AFrost Apr 20-May 11
Moon May 6-11
Bell PeppersFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost May 11-25
Moon May 19-25
N/A
Bok ChoyFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost May 11-25
Moon May 19-25
N/A
BroccoliFrost Mar 8-23
Moon Mar 21-23
Frost Apr 6-27
Moon Apr 19-27
N/A
CabbageFrost Mar 8-23
Moon Mar 21-23
Frost Apr 6-20
Moon Apr 19-20
N/A
CantaloupesFrost Apr 6-13
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
CarrotsN/AN/AFrost Mar 30-Apr 13
Moon Apr 6-13
CauliflowerFrost Mar 8-23
Moon Mar 21-23
Frost Apr 6-27
Moon Apr 19-27
N/A
CeleryFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost May 11-25
Moon May 19-25
N/A
ChivesN/AN/AFrost Apr 6-13
Cilantro (Coriander)N/AN/AFrost May 4-18
Moon May 4- 5
CollardsN/AN/AFrost Apr 6-20
Moon Apr 19-20
CornN/AN/AFrost May 18-Jun 8
Moon May 19-Jun 3
CucumbersFrost Apr 6-13
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
DillN/AN/AFrost May 4-Jun 8
Moon May 4- 5, May 19-Jun 3
EggplantsFrost Mar 8-23
Moon Mar 21-23
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
Fava Beans (Broad Beans)Frost Feb 8-22
Moon Feb 20-22
Frost Mar 16-Apr 6
Moon Mar 21-Apr 5
N/A
Green BeansN/AN/AFrost May 11-Jun 1
Moon May 19-Jun 1
Jalapeño PeppersFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost May 11-25
Moon May 19-25
N/A
KaleFrost Mar 8-23
Moon Mar 21-23
Frost Apr 6-27
Moon Apr 19-27
N/A
KohlrabiFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Apr 13-20
Moon Apr 19-20
N/A
LettuceFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Apr 20-May 18
Moon Apr 20-May 5
N/A
OkraN/AN/AFrost May 18-Jun 1
Moon May 19-Jun 1
OnionsN/AN/AFrost Apr 6-27
Moon Apr 6-18
OreganoFrost Feb 22-Mar 23
Moon Feb 22-Mar 7, Mar 21-23
Frost May 4-25
Moon May 4- 5, May 19-25
N/A
ParsleyN/AN/AFrost Apr 6-20
Moon Apr 19-20
ParsnipsN/AN/AFrost Apr 13-May 4
Moon Apr 13-18
PeasN/AN/AFrost Mar 23-Apr 13
Moon Mar 23-Apr 5
PotatoesN/AN/AFrost Apr 6-20
Moon Apr 6-18
PumpkinsFrost Apr 13-27
Moon Apr 19-27
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
RadishesN/AN/AFrost Mar 8-30
Moon Mar 8-20
RosemaryFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost May 11-Jun 1
Moon May 19-Jun 1
N/A
SageFrost Mar 8-23
Moon Mar 21-23
Frost May 4-18
Moon May 4- 5
N/A
SpinachN/AN/AFrost Mar 23-Apr 13
Moon Mar 23-Apr 5
Sweet PotatoesN/AN/AFrost May 25-Jun 8
Moon Jun 4- 8
Swiss ChardFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Apr 13-20
Moon Apr 19-20
N/A
ThymeFrost Feb 22-Mar 23
Moon Feb 22-Mar 7, Mar 21-23
Frost May 4-25
Moon May 4- 5, May 19-25
N/A
TomatillosFrost Mar 8-23
Moon Mar 21-23
Frost May 25-Jun 8
Moon May 25-Jun 3
N/A
TomatoesFrost Mar 8-23
Moon Mar 21-23
Frost May 11-Jun 1
Moon May 19-Jun 1
N/A
TurnipsN/AN/AFrost Apr 6-27
Moon Apr 6-18
WatermelonsFrost Apr 6-13
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
Winter SquashN/AN/AFrost May 18-Jun 15
Moon May 19-Jun 3
Zucchini, Summer SquashN/AN/AFrost May 18-Jun 15
Moon May 19-Jun 3

Planting Dates for Fall

On average, your first fall frost occurs on October 17 (at PORT WASHINGTON, WI climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 12
BeetsN/AN/AFrost Sep 2
Bell PeppersFrost May 4Frost Jun 29N/A
Bok ChoyN/AN/AFrost Sep 7
BroccoliFrost Jul 6Frost Aug 3N/A
CabbageFrost Jun 26Frost Jul 24N/A
CantaloupesN/AN/AFrost Jun 19
CarrotsN/AN/AFrost Aug 28
CauliflowerFrost Jul 6Frost Aug 3N/A
CeleryFrost Apr 25Frost Jul 4N/A
CollardsN/AN/AFrost Aug 18
CornN/AN/AFrost Jul 9
CucumbersN/AN/AFrost Jul 14
EggplantsFrost May 4Frost Jun 29N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 18
Green BeansN/AN/AFrost Jul 14
Jalapeño PeppersFrost May 24Frost Jul 19N/A
KaleFrost Jul 26Frost Aug 23N/A
KohlrabiN/AN/AFrost Aug 28
LettuceN/AN/AFrost Sep 7
OkraN/AN/AFrost Jul 9
ParsnipsN/AN/AFrost Jul 14
PeasN/AN/AFrost Aug 13
PotatoesN/AN/AFrost Jun 29
PumpkinsN/AN/AFrost June 1
RadishesN/AN/AFrost Sep 12
SpinachN/AN/AFrost Sep 22
Sweet PotatoesFrost May 15Frost Jun 19N/A
Swiss ChardN/AN/AFrost Sep 7
TomatillosN/AN/AFrost Jul 9
TomatoesFrost May 9Frost Jul 4N/A
TurnipsN/AN/AFrost Sep 7
WatermelonsN/AN/AFrost Jun 19
Winter SquashN/AN/AFrost Jul 4
Zucchini, Summer SquashN/AN/AFrost Jul 19
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