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

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Planting Calendar for Ardmore, PA

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 April 15 (at NORRISTOWN, PA climate station, elevation 62 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 1-15
Moon Apr 1- 5
BasilFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Apr 15-May 6
Moon Apr 19-May 5
N/A
BeetsN/AN/AFrost Apr 1-22
Moon Apr 6-18
Bell PeppersFrost Feb 3-17
Moon Feb 3- 5
Frost Apr 22-May 6
Moon Apr 22-May 5
N/A
Bok ChoyFrost Mar 3-18
Moon Mar 3- 7
Frost Apr 22-May 6
Moon Apr 22-May 5
N/A
BroccoliFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Mar 18-Apr 8
Moon Mar 21-Apr 5
N/A
CabbageFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Mar 18-Apr 1
Moon Mar 21-Apr 1
N/A
CantaloupesFrost Mar 18-25
Moon Mar 21-25
Frost Apr 29-May 13
Moon Apr 29-May 5
N/A
CarrotsN/AN/AFrost Mar 10-25
Moon Mar 10-20
CauliflowerFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Mar 18-Apr 8
Moon Mar 21-Apr 5
N/A
CeleryFrost Feb 3-17
Moon Feb 3- 5
Frost Apr 22-May 6
Moon Apr 22-May 5
N/A
ChivesN/AN/AFrost Mar 18-25
Moon Mar 21-25
Cilantro (Coriander)N/AN/AFrost Apr 15-29
Moon Apr 19-29
CollardsN/AN/AFrost Mar 18-Apr 1
Moon Mar 21-Apr 1
CornN/AN/AFrost Apr 29-May 20
Moon Apr 29-May 5, May 19-20
CucumbersFrost Mar 18-25
Moon Mar 21-25
Frost Apr 29-May 13
Moon Apr 29-May 5
N/A
DillN/AN/AFrost Apr 15-May 20
Moon Apr 19-May 5
EggplantsFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Apr 29-May 13
Moon Apr 29-May 5
N/A
Fava Beans (Broad Beans)Frost Jan 20-Feb 3
Moon Jan 21-Feb 3
Frost Feb 24-Mar 18
Moon Feb 24-Mar 7
N/A
Green BeansN/AN/AFrost Apr 22-May 13
Moon Apr 22-May 5
Jalapeño PeppersFrost Feb 3-17
Moon Feb 3- 5
Frost Apr 22-May 6
Moon Apr 22-May 5
N/A
KaleFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Mar 18-Apr 8
Moon Mar 21-Apr 5
N/A
KohlrabiFrost Mar 3-18
Moon Mar 3- 7
Frost Mar 25-Apr 1
Moon Mar 25-Apr 1
N/A
LettuceFrost Mar 3-18
Moon Mar 3- 7
Frost Apr 1-29
Moon Apr 1- 5, Apr 19-29
N/A
OkraN/AN/AFrost Apr 29-May 13
Moon Apr 29-May 5
OnionsN/AN/AFrost Mar 18-Apr 8
Moon Mar 18-20, Apr 6- 8
OreganoFrost Feb 3-Mar 3
Moon Feb 3- 5, Feb 20-Mar 3
Frost Apr 15-May 6
Moon Apr 19-May 5
N/A
ParsleyN/AN/AFrost Mar 18-Apr 1
Moon Mar 21-Apr 1
ParsnipsN/AN/AFrost Mar 25-Apr 15
Moon Apr 6-15
PeasN/AN/AFrost Mar 3-25
Moon Mar 3- 7, Mar 21-25
PotatoesN/AN/AFrost Mar 18-Apr 1
Moon Mar 18-20
PumpkinsFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 29-May 13
Moon Apr 29-May 5
N/A
RadishesN/AN/AFrost Feb 17-Mar 10
Moon Feb 17-19, Mar 8-10
RosemaryFrost Feb 3-17
Moon Feb 3- 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
SageFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Apr 15-29
Moon Apr 19-29
N/A
SpinachN/AN/AFrost Mar 3-25
Moon Mar 3- 7, Mar 21-25
Sweet PotatoesN/AN/AFrost May 6-20
Moon May 6-18
Swiss ChardFrost Mar 3-18
Moon Mar 3- 7
Frost Mar 25-Apr 1
Moon Mar 25-Apr 1
N/A
ThymeFrost Feb 3-Mar 3
Moon Feb 3- 5, Feb 20-Mar 3
Frost Apr 15-May 6
Moon Apr 19-May 5
N/A
TomatillosFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost May 6-20
Moon May 19-20
N/A
TomatoesFrost Feb 17-Mar 3
Moon Feb 20-Mar 3
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
TurnipsN/AN/AFrost Mar 18-Apr 8
Moon Mar 18-20, Apr 6- 8
WatermelonsFrost Mar 18-25
Moon Mar 21-25
Frost Apr 29-May 13
Moon Apr 29-May 5
N/A
Winter SquashN/AN/AFrost Apr 29-May 27
Moon Apr 29-May 5, May 19-27
Zucchini and Summer SquashN/AN/AFrost Apr 29-May 27
Moon Apr 29-May 5, May 19-27

Planting Dates for Fall

On average, your first fall frost occurs on October 25 (at NORRISTOWN, PA climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 20
BeetsN/AN/AFrost Sep 10
Bell PeppersFrost May 12Frost Jul 7N/A
Bok ChoyN/AN/AFrost Sep 15
BroccoliFrost Jul 14Frost Aug 11N/A
CabbageFrost Jul 4Frost Aug 1N/A
CantaloupesN/AN/AFrost Jun 27
CarrotsN/AN/AFrost Sep 5
CauliflowerFrost Jul 14Frost Aug 11N/A
CeleryFrost May 3Frost Jul 12N/A
CollardsN/AN/AFrost Aug 26
CornN/AN/AFrost Jul 17
CucumbersN/AN/AFrost Jul 22
EggplantsFrost May 12Frost Jul 7N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 26
Green BeansN/AN/AFrost Jul 22
Jalapeño PeppersFrost Jun 1Frost Jul 27N/A
KaleFrost Aug 3Frost Aug 31N/A
KohlrabiN/AN/AFrost Sep 5
LettuceN/AN/AFrost Sep 15
OkraN/AN/AFrost Jul 17
ParsnipsN/AN/AFrost Jul 22
PeasN/AN/AFrost Aug 21
PotatoesN/AN/AFrost Jul 7
PumpkinsN/AN/AFrost Jun 7
RadishesN/AN/AFrost Sep 20
SpinachN/AN/AFrost Sep 30
Sweet PotatoesFrost May 23Frost Jun 27N/A
Swiss ChardN/AN/AFrost Sep 15
TomatillosN/AN/AFrost Jul 17
TomatoesFrost May 17Frost Jul 12N/A
TurnipsN/AN/AFrost Sep 15
WatermelonsN/AN/AFrost Jun 27
Winter SquashN/AN/AFrost Jul 12
Zucchini and Summer SquashN/AN/AFrost Jul 27
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