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

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Planting Calendar for Lame Deer, MT

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 20 (at COLSTRIP, MT climate station, elevation 3218 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 6-20
Moon May 19-20
BasilFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 20-Jun 10
Moon May 20-Jun 3
N/A
BeetsN/AN/AFrost May 6-27
Moon May 6-18
Bell PeppersFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
Bok ChoyFrost Apr 8-22
Moon Apr 19-22
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
BroccoliFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
CabbageFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 6
Moon Apr 22-May 5
N/A
CantaloupesFrost Apr 22-29
Moon Apr 22-29
Frost Jun 3-17
Moon Jun 3
N/A
CarrotsN/AN/AFrost Apr 15-29
Moon Apr 15-18
CauliflowerFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
CeleryFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
ChivesN/AN/AFrost Apr 22-29
Moon Apr 22-29
Cilantro (Coriander)N/AN/AFrost May 20-Jun 3
Moon May 20-Jun 3
CollardsN/AN/AFrost Apr 22-May 6
Moon Apr 22-May 5
CornN/AN/AFrost Jun 3-24
Moon Jun 3, Jun 18-24
CucumbersFrost Apr 22-29
Moon Apr 22-29
Frost Jun 3-17
Moon Jun 3
N/A
DillN/AN/AFrost May 20-Jun 24
Moon May 20-Jun 3, Jun 17-24
EggplantsFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 3-17
Moon Jun 3
N/A
Fava Beans (Broad Beans)Frost Feb 24-Mar 10
Moon Feb 24-Mar 7
Frost Apr 1-22
Moon Apr 1- 5, Apr 19-22
N/A
Green BeansN/AN/AFrost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
Jalapeño PeppersFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
KaleFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
KohlrabiFrost Apr 8-22
Moon Apr 19-22
Frost Apr 29-May 6
Moon Apr 29-May 5
N/A
LettuceFrost Apr 8-22
Moon Apr 19-22
Frost May 6-Jun 3
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 3-17
Moon Jun 3
OnionsN/AN/AFrost Apr 22-May 13
Moon May 6-13
OreganoFrost Mar 10-Apr 8
Moon Mar 21-Apr 5
Frost May 20-Jun 10
Moon May 20-Jun 3
N/A
ParsleyN/AN/AFrost Apr 22-May 6
Moon Apr 22-May 5
ParsnipsN/AN/AFrost Apr 29-May 20
Moon May 6-18
PeasN/AN/AFrost Apr 8-29
Moon Apr 19-29
PotatoesN/AN/AFrost Apr 22-May 6
Moon May 6
PumpkinsFrost Apr 29-May 13
Moon Apr 29-May 5
Frost Jun 3-17
Moon Jun 3
N/A
RadishesN/AN/AFrost Mar 25-Apr 15
Moon Apr 6-15
RosemaryFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
SageFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
SpinachN/AN/AFrost Apr 8-29
Moon Apr 19-29
Sweet PotatoesN/AN/AFrost Jun 10-24
Moon Jun 10-16
Swiss ChardFrost Apr 8-22
Moon Apr 19-22
Frost Apr 29-May 6
Moon Apr 29-May 5
N/A
ThymeFrost Mar 10-Apr 8
Moon Mar 21-Apr 5
Frost May 20-Jun 10
Moon May 20-Jun 3
N/A
TomatillosFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 10-24
Moon Jun 17-24
N/A
TomatoesFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
TurnipsN/AN/AFrost Apr 22-May 13
Moon May 6-13
WatermelonsFrost Apr 22-29
Moon Apr 22-29
Frost Jun 3-17
Moon Jun 3
N/A
Winter SquashN/AN/AFrost Jun 3-Jul 1
Moon Jun 3, Jun 18-Jul 1
Zucchini and Summer SquashN/AN/AFrost Jun 3-Jul 1
Moon Jun 3, Jun 18-Jul 1

Planting Dates for Fall

On average, your first fall frost occurs on September 24 (at COLSTRIP, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 20
BeetsN/AN/AFrost Aug 10
Bell PeppersFrost Apr 11Frost June 10N/A
Bok ChoyN/AN/AFrost Aug 15
BroccoliFrost Jun 13Frost Jul 11N/A
CabbageFrost Jun 3Frost Jul 1N/A
CantaloupesN/AN/AFrost June 17
CarrotsN/AN/AFrost Aug 5
CauliflowerFrost Jun 13Frost Jul 11N/A
CeleryFrost Apr 2Frost Jun 11N/A
CollardsN/AN/AFrost Jul 26
CornN/AN/AFrost June 24
CucumbersN/AN/AFrost Jun 21
EggplantsFrost Apr 11Frost June 17N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 26
Green BeansN/AN/AFrost Jun 21
Jalapeño PeppersFrost May 1Frost Jun 26N/A
KaleFrost Jul 3Frost Jul 31N/A
KohlrabiN/AN/AFrost Aug 5
LettuceN/AN/AFrost Aug 15
OkraN/AN/AFrost June 17
ParsnipsN/AN/AFrost Jun 21
PeasN/AN/AFrost Jul 21
PotatoesN/AN/AFrost Jun 6
PumpkinsN/AN/AFrost June 17
RadishesN/AN/AFrost Aug 20
SpinachN/AN/AFrost Aug 30
Sweet PotatoesFrost Apr 22Frost June 24N/A
Swiss ChardN/AN/AFrost Aug 15
TomatillosN/AN/AFrost June 24
TomatoesFrost Apr 16Frost June 17N/A
TurnipsN/AN/AFrost Aug 15
WatermelonsN/AN/AFrost June 17
Winter SquashN/AN/AFrost July 1
Zucchini and Summer SquashN/AN/AFrost July 1
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