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

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Planting Calendar for Conrad, 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 26 (at CONRAD, MT climate station, elevation 3549 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 12-26
Moon May 19-26
BasilFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost May 26-Jun 16
Moon May 26-Jun 3
N/A
BeetsN/AN/AFrost May 12-Jun 2
Moon May 12-18
Bell PeppersFrost Mar 17-31
Moon Mar 21-31
Frost Jun 2-16
Moon Jun 2- 3
N/A
Bok ChoyFrost Apr 14-28
Moon Apr 19-28
Frost Jun 2-16
Moon Jun 2- 3
N/A
BroccoliFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Apr 28-May 19
Moon Apr 28-May 5, May 19
N/A
CabbageFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Apr 28-May 12
Moon Apr 28-May 5
N/A
CantaloupesFrost Apr 28-May 5
Moon Apr 28-May 5
Frost Jun 9-23
Moon Jun 17-23
N/A
CarrotsN/AN/AFrost Apr 21-May 5
CauliflowerFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Apr 28-May 19
Moon Apr 28-May 5, May 19
N/A
CeleryFrost Mar 17-31
Moon Mar 21-31
Frost Jun 2-16
Moon Jun 2- 3
N/A
ChivesN/AN/AFrost Apr 28-May 5
Moon Apr 28-May 5
Cilantro (Coriander)N/AN/AFrost May 26-Jun 9
Moon May 26-Jun 3
CollardsN/AN/AFrost Apr 28-May 12
Moon Apr 28-May 5
CornN/AN/AFrost Jun 9-30
Moon Jun 17-30
CucumbersFrost Apr 28-May 5
Moon Apr 28-May 5
Frost Jun 9-23
Moon Jun 17-23
N/A
DillN/AN/AFrost May 26-Jun 30
Moon May 26-Jun 3, Jun 17-30
EggplantsFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Jun 9-23
Moon Jun 17-23
N/A
Fava Beans (Broad Beans)Frost Mar 2-17
Moon Mar 2- 7
Frost Apr 7-28
Moon Apr 19-28
N/A
Green BeansN/AN/AFrost Jun 2-23
Moon Jun 2- 3, Jun 17-23
Jalapeño PeppersFrost Mar 17-31
Moon Mar 21-31
Frost Jun 2-16
Moon Jun 2- 3
N/A
KaleFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Apr 28-May 19
Moon Apr 28-May 5, May 19
N/A
KohlrabiFrost Apr 14-28
Moon Apr 19-28
Frost May 5-12
Moon May 5
N/A
LettuceFrost Apr 14-28
Moon Apr 19-28
Frost May 12-Jun 9
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 9-23
Moon Jun 17-23
OnionsN/AN/AFrost Apr 28-May 19
Moon May 6-18
OreganoFrost Mar 17-Apr 14
Moon Mar 21-Apr 5
Frost May 26-Jun 16
Moon May 26-Jun 3
N/A
ParsleyN/AN/AFrost Apr 28-May 12
Moon Apr 28-May 5
ParsnipsN/AN/AFrost May 5-26
Moon May 6-18
PeasN/AN/AFrost Apr 14-May 5
Moon Apr 19-May 5
PotatoesN/AN/AFrost Apr 28-May 12
Moon May 6-12
PumpkinsFrost May 5-19
Moon May 5
Frost Jun 9-23
Moon Jun 17-23
N/A
RadishesN/AN/AFrost Mar 31-Apr 21
Moon Apr 6-18
RosemaryFrost Mar 17-31
Moon Mar 21-31
Frost Jun 2-23
Moon Jun 2- 3, Jun 17-23
N/A
SageFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost May 26-Jun 9
Moon May 26-Jun 3
N/A
SpinachN/AN/AFrost Apr 14-May 5
Moon Apr 19-May 5
Sweet PotatoesN/AN/AFrost Jun 16-30
Moon Jun 16
Swiss ChardFrost Apr 14-28
Moon Apr 19-28
Frost May 5-12
Moon May 5
N/A
ThymeFrost Mar 17-Apr 14
Moon Mar 21-Apr 5
Frost May 26-Jun 16
Moon May 26-Jun 3
N/A
TomatillosFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Jun 16-30
Moon Jun 17-30
N/A
TomatoesFrost Mar 31-Apr 14
Moon Mar 31-Apr 5
Frost Jun 2-23
Moon Jun 2- 3, Jun 17-23
N/A
TurnipsN/AN/AFrost Apr 28-May 19
Moon May 6-18
WatermelonsFrost Apr 28-May 5
Moon Apr 28-May 5
Frost Jun 9-23
Moon Jun 17-23
N/A
Winter SquashN/AN/AFrost Jun 9-Jul 7
Moon Jun 17-Jul 3
Zucchini and Summer SquashN/AN/AFrost Jun 9-Jul 7
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 14 (at CONRAD, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 10
BeetsN/AN/AFrost Jul 31
Bell PeppersFrost Apr 1Frost June 16N/A
Bok ChoyN/AN/AFrost Aug 5
BroccoliFrost Jun 3Frost Jul 1N/A
CabbageFrost May 24Frost Jun 21N/A
CantaloupesN/AN/AFrost June 23
CarrotsN/AN/AFrost Jul 26
CauliflowerFrost Jun 3Frost Jul 1N/A
CeleryFrost Mar 23Frost June 16N/A
CollardsN/AN/AFrost Jul 16
CornN/AN/AFrost June 30
CucumbersN/AN/AFrost June 23
EggplantsFrost Apr 1Frost June 23N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 16
Green BeansN/AN/AFrost June 23
Jalapeño PeppersFrost Apr 21Frost Jun 16N/A
KaleFrost Jun 23Frost Jul 21N/A
KohlrabiN/AN/AFrost Jul 26
LettuceN/AN/AFrost Aug 5
OkraN/AN/AFrost June 23
ParsnipsN/AN/AFrost Jun 11
PeasN/AN/AFrost Jul 11
PotatoesN/AN/AFrost May 27
PumpkinsN/AN/AFrost June 23
RadishesN/AN/AFrost Aug 10
SpinachN/AN/AFrost Aug 20
Sweet PotatoesFrost Apr 12Frost June 30N/A
Swiss ChardN/AN/AFrost Aug 5
TomatillosN/AN/AFrost June 30
TomatoesFrost Apr 6Frost June 23N/A
TurnipsN/AN/AFrost Aug 5
WatermelonsN/AN/AFrost June 23
Winter SquashN/AN/AFrost July 7
Zucchini and Summer SquashN/AN/AFrost July 7
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