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2022 Planting Calendar: When to Start Vegetable Seeds | The Old Farmer's Almanac

Planting Calendar for Bethlehem, 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 Fall

On average, your first fall frost occurs on October 17 (at ALLENTOWN INTL AP, PA 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
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
CornN/AN/AFrost Jul 9
CucumbersN/AN/AFrost Jul 14
EggplantsFrost May 4Frost Jun 29N/A
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 Aug 3
PumpkinsN/AN/AFrost May 30
RadishesN/AN/AFrost Sep 12
SpinachN/AN/AFrost Sep 22
Sweet PotatoesFrost May 15Frost Jun 19N/A
Swiss ChardN/AN/AFrost Sep 7
TomatoesFrost May 9Frost Jul 4N/A
TurnipsN/AN/AFrost Sep 7
WatermelonsN/AN/AFrost Jun 19
Winter SquashN/AN/AFrost Jul 4
ZucchiniN/AN/AFrost Jul 19

Planting Dates for Spring

On average, your last spring frost occurs on April 26 (at ALLENTOWN INTL AP, PA climate station, elevation 390 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 12-26
Moon Apr 12-16
BasilFrost Feb 28-Mar 15
Moon Mar 2-15
Frost Apr 26-May 17
Moon Apr 30-May 15
N/A
BeetsN/AN/AFrost Apr 12-May 3
Moon Apr 17-29
Bell PeppersFrost Feb 14-28
Moon Feb 14-16
Frost May 3-17
Moon May 3-15
N/A
BroccoliFrost Feb 28-Mar 15
Moon Mar 2-15
Frost Mar 29-Apr 19
Moon Apr 1-16
N/A
CabbageFrost Feb 28-Mar 15
Moon Mar 2-15
Frost Mar 29-Apr 12
Moon Apr 1-12
N/A
CantaloupesFrost Mar 29-Apr 5
Moon Apr 1- 5
Frost May 10-24
Moon May 10-15
N/A
CarrotsN/AN/AFrost Mar 22-Apr 5
Moon Mar 22-31
CauliflowerFrost Feb 28-Mar 15
Moon Mar 2-15
Frost Mar 29-Apr 19
Moon Apr 1-16
N/A
CeleryFrost Feb 14-28
Moon Feb 14-16
Frost May 3-17
Moon May 3-15
N/A
ChivesN/AN/AFrost Mar 29-Apr 5
Moon Apr 1- 5
Cilantro (Coriander)N/AN/AFrost Apr 26-May 10
Moon Apr 30-May 10
CornN/AN/AFrost May 10-31
Moon May 10-15, May 30-31
CucumbersFrost Mar 29-Apr 5
Moon Apr 1- 5
Frost May 10-24
Moon May 10-15
N/A
DillN/AN/AFrost Apr 26-May 31
Moon Apr 30-May 15
EggplantsFrost Feb 28-Mar 15
Moon Mar 2-15
Frost May 10-24
Moon May 10-15
N/A
Green BeansN/AN/AFrost May 3-24
Moon May 3-15
Jalapeño PeppersFrost Feb 14-28
Moon Feb 14-16
Frost May 3-17
Moon May 3-15
N/A
KaleFrost Feb 28-Mar 15
Moon Mar 2-15
Frost Mar 29-Apr 19
Moon Apr 1-16
N/A
KohlrabiFrost Mar 15-29
Moon Mar 15-18
Frost Apr 5-12
Moon Apr 5-12
N/A
LettuceFrost Mar 15-29
Moon Mar 15-18
Frost Apr 12-May 10
Moon Apr 12-16, Apr 30-May 10
N/A
OkraN/AN/AFrost May 10-24
Moon May 10-15
OnionsN/AN/AFrost Mar 29-Apr 19
Moon Mar 29-31, Apr 17-19
OreganoFrost Feb 14-Mar 15
Moon Feb 14-16, Mar 2-15
Frost Apr 26-May 17
Moon Apr 30-May 15
N/A
ParsleyN/AN/AFrost Mar 29-Apr 12
Moon Apr 1-12
ParsnipsN/AN/AFrost Apr 5-26
Moon Apr 17-26
PeasN/AN/AFrost Mar 15-Apr 5
Moon Mar 15-18, Apr 1- 5
PotatoesN/AN/AFrost Apr 19-May 10
Moon Apr 19-29
PumpkinsFrost Apr 5-19
Moon Apr 5-16
Frost May 10-24
Moon May 10-15
N/A
RadishesN/AN/AFrost Feb 28-Mar 22
Moon Feb 28-Mar 1, Mar 19-22
RosemaryFrost Feb 14-28
Moon Feb 14-16
Frost May 3-24
Moon May 3-15
N/A
SageFrost Feb 28-Mar 15
Moon Mar 2-15
Frost Apr 26-May 10
Moon Apr 30-May 10
N/A
SpinachN/AN/AFrost Mar 15-Apr 5
Moon Mar 15-18, Apr 1- 5
Sweet PotatoesN/AN/AFrost May 17-31
Moon May 17-29
Swiss ChardFrost Mar 15-29
Moon Mar 15-18
Frost Apr 5-12
Moon Apr 5-12
N/A
ThymeFrost Feb 14-Mar 15
Moon Feb 14-16, Mar 2-15
Frost Apr 26-May 17
Moon Apr 30-May 15
N/A
TomatoesFrost Feb 28-Mar 15
Moon Mar 2-15
Frost May 3-24
Moon May 3-15
N/A
TurnipsN/AN/AFrost Mar 29-Apr 19
Moon Mar 29-31, Apr 17-19
WatermelonsFrost Mar 29-Apr 5
Moon Apr 1- 5
Frost May 10-24
Moon May 10-15
N/A
Winter SquashN/AN/AFrost May 10-Jun 7
Moon May 10-15, May 30-Jun 7
ZucchiniN/AN/AFrost May 10-Jun 7
Moon May 10-15, May 30-Jun 7