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

Planting Calendar for Gaithersburg, MD

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 November 1 (at ROCKVILLE 1 NE, MD climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 27
BeetsN/AN/AFrost Sep 17
Bell PeppersFrost May 19Frost Jul 14N/A
BroccoliFrost Jul 21Frost Aug 18N/A
CabbageFrost Jul 11Frost Aug 8N/A
CantaloupesN/AN/AFrost Jul 4
CarrotsN/AN/AFrost Sep 12
CauliflowerFrost Jul 21Frost Aug 18N/A
CeleryFrost May 10Frost Jul 19N/A
CornN/AN/AFrost Jul 24
CucumbersN/AN/AFrost Jul 29
EggplantsFrost May 19Frost Jul 14N/A
Fava Beans (Broad Beans)N/AN/AFrost Sep 2
Green BeansN/AN/AFrost Jul 29
Jalapeño PeppersFrost Jun 8Frost Aug 3N/A
KaleFrost Aug 10Frost Sep 7N/A
KohlrabiN/AN/AFrost Sep 12
LettuceN/AN/AFrost Sep 22
OkraN/AN/AFrost Jul 24
ParsnipsN/AN/AFrost Jul 29
PeasN/AN/AFrost Aug 28
PotatoesN/AN/AFrost Aug 18
PumpkinsN/AN/AFrost Jun 14
RadishesN/AN/AFrost Sep 27
SpinachN/AN/AFrost Oct 7
Sweet PotatoesFrost May 30Frost Jul 4N/A
Swiss ChardN/AN/AFrost Sep 22
TomatoesFrost May 24Frost Jul 19N/A
TurnipsN/AN/AFrost Sep 22
WatermelonsN/AN/AFrost Jul 4
Winter SquashN/AN/AFrost Jul 19
ZucchiniN/AN/AFrost Aug 3

Planting Dates for Spring

On average, your last spring frost occurs on April 6 (at ROCKVILLE 1 NE, MD climate station, elevation 439 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
BasilFrost Feb 8-22
Moon Feb 20-22
Frost Apr 6-27
Moon Apr 19-27
N/A
BeetsN/AN/AFrost Mar 23-Apr 13
Moon Apr 6-13
Bell PeppersFrost Jan 25-Feb 8
Moon Jan 25-Feb 5
Frost Apr 13-27
Moon Apr 19-27
N/A
BroccoliFrost Feb 8-22
Moon Feb 20-22
Frost Mar 8-30
Moon Mar 21-30
N/A
CabbageFrost Feb 8-22
Moon Feb 20-22
Frost Mar 8-23
Moon Mar 21-23
N/A
CantaloupesFrost Mar 8-16
Frost Apr 20-May 4
Moon Apr 20-May 4
N/A
CarrotsN/AN/AFrost Mar 1-16
Moon Mar 8-16
CauliflowerFrost Feb 8-22
Moon Feb 20-22
Frost Mar 8-30
Moon Mar 21-30
N/A
CeleryFrost Jan 25-Feb 8
Moon Jan 25-Feb 5
Frost Apr 13-27
Moon Apr 19-27
N/A
ChivesN/AN/AFrost Mar 8-16
Cilantro (Coriander)N/AN/AFrost Apr 6-20
Moon Apr 19-20
CornN/AN/AFrost Apr 20-May 11
Moon Apr 20-May 5
CucumbersFrost Mar 8-16
Frost Apr 20-May 4
Moon Apr 20-May 4
N/A
DillN/AN/AFrost Apr 6-May 11
Moon Apr 19-May 5
EggplantsFrost Feb 8-22
Moon Feb 20-22
Frost Apr 20-May 4
Moon Apr 20-May 4
N/A
Fava Beans (Broad Beans)Frost Jan 11-25
Moon Jan 21-25
Frost Feb 15-Mar 8
Moon Feb 20-Mar 7
N/A
Green BeansN/AN/AFrost Apr 13-May 4
Moon Apr 19-May 4
Jalapeño PeppersFrost Jan 25-Feb 8
Moon Jan 25-Feb 5
Frost Apr 13-27
Moon Apr 19-27
N/A
KaleFrost Feb 8-22
Moon Feb 20-22
Frost Mar 8-30
Moon Mar 21-30
N/A
KohlrabiFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost Mar 16-23
Moon Mar 21-23
N/A
LettuceFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost Mar 23-Apr 20
Moon Mar 23-Apr 5, Apr 19-20
N/A
OkraN/AN/AFrost Apr 20-May 4
Moon Apr 20-May 4
OnionsN/AN/AFrost Mar 8-30
Moon Mar 8-20
OreganoFrost Jan 25-Feb 22
Moon Jan 25-Feb 5, Feb 20-22
Frost Apr 6-27
Moon Apr 19-27
N/A
ParsleyN/AN/AFrost Mar 8-23
Moon Mar 21-23
ParsnipsN/AN/AFrost Mar 16-Apr 6
Moon Mar 16-20, Apr 6
PeasN/AN/AFrost Feb 22-Mar 16
Moon Feb 22-Mar 7
PotatoesN/AN/AFrost Mar 30-Apr 20
Moon Apr 6-18
PumpkinsFrost Mar 16-30
Moon Mar 21-30
Frost Apr 20-May 4
Moon Apr 20-May 4
N/A
RadishesN/AN/AFrost Feb 8-Mar 1
Moon Feb 8-19
RosemaryFrost Jan 25-Feb 8
Moon Jan 25-Feb 5
Frost Apr 13-May 4
Moon Apr 19-May 4
N/A
SageFrost Feb 8-22
Moon Feb 20-22
Frost Apr 6-20
Moon Apr 19-20
N/A
SpinachN/AN/AFrost Feb 22-Mar 16
Moon Feb 22-Mar 7
Sweet PotatoesN/AN/AFrost Apr 27-May 11
Moon May 6-11
Swiss ChardFrost Feb 22-Mar 8
Moon Feb 22-Mar 7
Frost Mar 16-23
Moon Mar 21-23
N/A
ThymeFrost Jan 25-Feb 22
Moon Jan 25-Feb 5, Feb 20-22
Frost Apr 6-27
Moon Apr 19-27
N/A
TomatoesFrost Feb 8-22
Moon Feb 20-22
Frost Apr 13-May 4
Moon Apr 19-May 4
N/A
TurnipsN/AN/AFrost Mar 8-30
Moon Mar 8-20
WatermelonsFrost Mar 8-16
Frost Apr 20-May 4
Moon Apr 20-May 4
N/A
Winter SquashN/AN/AFrost Apr 20-May 18
Moon Apr 20-May 5
ZucchiniN/AN/AFrost Apr 20-May 18
Moon Apr 20-May 5