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

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Planting Calendar for Belgrade, 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 June 2 (at BOZEMAN GALLATIN FLD, MT climate station, elevation 4425 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 19-Jun 2
Moon May 19-Jun 2
BasilFrost Apr 7-21
Moon Apr 19-21
Frost Jun 2-23
Moon Jun 2- 3, Jun 17-23
N/A
BeetsN/AN/AFrost May 19-Jun 9
Moon Jun 4- 9
Bell PeppersFrost Mar 24-Apr 7
Moon Mar 24-Apr 5
Frost Jun 9-23
Moon Jun 17-23
N/A
Bok ChoyFrost Apr 21-May 5
Moon Apr 21-May 5
Frost Jun 9-23
Moon Jun 17-23
N/A
BroccoliFrost Apr 7-21
Moon Apr 19-21
Frost May 5-26
Moon May 5, May 20-26
N/A
CabbageFrost Apr 7-21
Moon Apr 19-21
Frost May 5-19
Moon May 5
N/A
CantaloupesFrost May 5-12
Moon May 5
Frost Jun 16-30
Moon Jun 17-30
N/A
CarrotsN/AN/AFrost Apr 28-May 12
Moon May 6-12
CauliflowerFrost Apr 7-21
Moon Apr 19-21
Frost May 5-26
Moon May 5, May 20-26
N/A
CeleryFrost Mar 24-Apr 7
Moon Mar 24-Apr 5
Frost Jun 9-23
Moon Jun 17-23
N/A
ChivesN/AN/AFrost May 5-12
Moon May 5
Cilantro (Coriander)N/AN/AFrost Jun 2-16
Moon Jun 2- 3
CollardsN/AN/AFrost May 5-19
Moon May 5
CornN/AN/AFrost Jun 16-Jul 7
Moon Jun 17-Jul 3
CucumbersFrost May 5-12
Moon May 5
Frost Jun 16-30
Moon Jun 17-30
N/A
DillN/AN/AFrost Jun 2-Jul 7
Moon Jun 2- 3, Jun 17-Jul 3
EggplantsFrost Apr 7-21
Moon Apr 19-21
Frost Jun 16-30
Moon Jun 17-30
N/A
Fava Beans (Broad Beans)Frost Mar 9-24
Moon Mar 21-24
Frost Apr 14-May 5
Moon Apr 19-May 5
N/A
Green BeansN/AN/AFrost Jun 9-30
Moon Jun 17-30
Jalapeño PeppersFrost Mar 24-Apr 7
Moon Mar 24-Apr 5
Frost Jun 9-23
Moon Jun 17-23
N/A
KaleFrost Apr 7-21
Moon Apr 19-21
Frost May 5-26
Moon May 5, May 20-26
N/A
KohlrabiFrost Apr 21-May 5
Moon Apr 21-May 5
Frost May 12-19
Moon May 19
N/A
LettuceFrost Apr 21-May 5
Moon Apr 21-May 5
Frost May 19-Jun 16
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 16-30
Moon Jun 17-30
OnionsN/AN/AFrost May 5-26
Moon May 6-18
OreganoFrost Mar 24-Apr 21
Moon Mar 24-Apr 5, Apr 19-21
Frost Jun 2-23
Moon Jun 2- 3, Jun 17-23
N/A
ParsleyN/AN/AFrost May 5-19
Moon May 5
ParsnipsN/AN/AFrost May 12-Jun 2
Moon May 12-18
PeasN/AN/AFrost Apr 21-May 12
Moon Apr 21-May 5
PotatoesN/AN/AFrost May 5-19
Moon May 6-18
PumpkinsFrost May 12-26
Moon May 19-26
Frost Jun 16-30
Moon Jun 17-30
N/A
RadishesN/AN/AFrost Apr 7-28
Moon Apr 7-18
RosemaryFrost Mar 24-Apr 7
Moon Mar 24-Apr 5
Frost Jun 9-30
Moon Jun 17-30
N/A
SageFrost Apr 7-21
Moon Apr 19-21
Frost Jun 2-16
Moon Jun 2- 3
N/A
SpinachN/AN/AFrost Apr 21-May 12
Moon Apr 21-May 5
Sweet PotatoesN/AN/AFrost Jun 23-Jul 7
Moon Jul 4- 7
Swiss ChardFrost Apr 21-May 5
Moon Apr 21-May 5
Frost May 12-19
Moon May 19
N/A
ThymeFrost Mar 24-Apr 21
Moon Mar 24-Apr 5, Apr 19-21
Frost Jun 2-23
Moon Jun 2- 3, Jun 17-23
N/A
TomatillosFrost Apr 7-21
Moon Apr 19-21
Frost Jun 23-Jul 7
Moon Jun 23-Jul 3
N/A
TomatoesFrost Apr 7-21
Moon Apr 19-21
Frost Jun 9-30
Moon Jun 17-30
N/A
TurnipsN/AN/AFrost May 5-26
Moon May 6-18
WatermelonsFrost May 5-12
Moon May 5
Frost Jun 16-30
Moon Jun 17-30
N/A
Winter SquashN/AN/AFrost Jun 16-Jul 14
Moon Jun 17-Jul 3
Zucchini and Summer SquashN/AN/AFrost Jun 16-Jul 14
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 10 (at BOZEMAN GALLATIN FLD, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 6
BeetsN/AN/AFrost Jul 27
Bell PeppersFrost Mar 28Frost June 23N/A
Bok ChoyN/AN/AFrost Aug 1
BroccoliFrost May 30Frost Jun 27N/A
CabbageFrost May 20Frost Jun 17N/A
CantaloupesN/AN/AFrost June 30
CarrotsN/AN/AFrost Jul 22
CauliflowerFrost May 30Frost Jun 27N/A
CeleryFrost Mar 19Frost June 23N/A
CollardsN/AN/AFrost Jul 12
CornN/AN/AFrost July 7
CucumbersN/AN/AFrost June 30
EggplantsFrost Mar 28Frost June 30N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 12
Green BeansN/AN/AFrost June 30
Jalapeño PeppersFrost Apr 17Frost June 23N/A
KaleFrost Jun 19Frost Jul 17N/A
KohlrabiN/AN/AFrost Jul 22
LettuceN/AN/AFrost Aug 1
OkraN/AN/AFrost June 30
ParsnipsN/AN/AFrost Jun 7
PeasN/AN/AFrost Jul 7
PotatoesN/AN/AFrost May 23
PumpkinsN/AN/AFrost June 30
RadishesN/AN/AFrost Aug 6
SpinachN/AN/AFrost Aug 16
Sweet PotatoesFrost Apr 8Frost July 7N/A
Swiss ChardN/AN/AFrost Aug 1
TomatillosN/AN/AFrost July 7
TomatoesFrost Apr 2Frost June 30N/A
TurnipsN/AN/AFrost Aug 1
WatermelonsN/AN/AFrost June 30
Winter SquashN/AN/AFrost July 14
Zucchini and Summer SquashN/AN/AFrost July 14
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