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

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Planting Calendar for Columbia Falls, 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 7 (at KALISPELL GLACIER AP, MT climate station, elevation 2956 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 24-Jun 7
Moon May 24-Jun 3
BasilFrost Apr 12-26
Moon Apr 19-26
Frost Jun 7-28
Moon Jun 17-28
N/A
BeetsN/AN/AFrost May 24-Jun 14
Moon Jun 4-14
Bell PeppersFrost Mar 29-Apr 12
Moon Mar 29-Apr 5
Frost Jun 14-28
Moon Jun 17-28
N/A
Bok ChoyFrost Apr 26-May 10
Moon Apr 26-May 5
Frost Jun 14-28
Moon Jun 17-28
N/A
BroccoliFrost Apr 12-26
Moon Apr 19-26
Frost May 10-31
Moon May 19-31
N/A
CabbageFrost Apr 12-26
Moon Apr 19-26
Frost May 10-24
Moon May 19-24
N/A
CantaloupesFrost May 10-17
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
CarrotsN/AN/AFrost May 3-17
Moon May 6-17
CauliflowerFrost Apr 12-26
Moon Apr 19-26
Frost May 10-31
Moon May 19-31
N/A
CeleryFrost Mar 29-Apr 12
Moon Mar 29-Apr 5
Frost Jun 14-28
Moon Jun 17-28
N/A
ChivesN/AN/AFrost May 10-17
Cilantro (Coriander)N/AN/AFrost Jun 7-21
Moon Jun 17-21
CollardsN/AN/AFrost May 10-24
Moon May 19-24
CornN/AN/AFrost Jun 21-Jul 12
Moon Jun 21-Jul 3
CucumbersFrost May 10-17
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
DillN/AN/AFrost Jun 7-Jul 12
Moon Jun 17-Jul 3
EggplantsFrost Apr 12-26
Moon Apr 19-26
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
Fava Beans (Broad Beans)Frost Mar 15-29
Moon Mar 21-29
Frost Apr 19-May 10
Moon Apr 19-May 5
N/A
Green BeansN/AN/AFrost Jun 14-Jul 5
Moon Jun 17-Jul 3
Jalapeño PeppersFrost Mar 29-Apr 12
Moon Mar 29-Apr 5
Frost Jun 14-28
Moon Jun 17-28
N/A
KaleFrost Apr 12-26
Moon Apr 19-26
Frost May 10-31
Moon May 19-31
N/A
KohlrabiFrost Apr 26-May 10
Moon Apr 26-May 5
Frost May 17-24
Moon May 19-24
N/A
LettuceFrost Apr 26-May 10
Moon Apr 26-May 5
Frost May 24-Jun 21
Moon May 24-Jun 3, Jun 17-21
N/A
OkraN/AN/AFrost Jun 21-Jul 5
Moon Jun 21-Jul 3
OnionsN/AN/AFrost May 10-31
Moon May 10-18
OreganoFrost Mar 29-Apr 26
Moon Mar 29-Apr 5, Apr 19-26
Frost Jun 7-28
Moon Jun 17-28
N/A
ParsleyN/AN/AFrost May 10-24
Moon May 19-24
ParsnipsN/AN/AFrost May 17-Jun 7
Moon May 17-18, Jun 4- 7
PeasN/AN/AFrost Apr 26-May 17
Moon Apr 26-May 5
PotatoesN/AN/AFrost May 10-24
Moon May 10-18
PumpkinsFrost May 17-31
Moon May 19-31
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
RadishesN/AN/AFrost Apr 12-May 3
Moon Apr 12-18
RosemaryFrost Mar 29-Apr 12
Moon Mar 29-Apr 5
Frost Jun 14-Jul 5
Moon Jun 17-Jul 3
N/A
SageFrost Apr 12-26
Moon Apr 19-26
Frost Jun 7-21
Moon Jun 17-21
N/A
SpinachN/AN/AFrost Apr 26-May 17
Moon Apr 26-May 5
Sweet PotatoesN/AN/AFrost Jun 28-Jul 12
Moon Jul 4-12
Swiss ChardFrost Apr 26-May 10
Moon Apr 26-May 5
Frost May 17-24
Moon May 19-24
N/A
ThymeFrost Mar 29-Apr 26
Moon Mar 29-Apr 5, Apr 19-26
Frost Jun 7-28
Moon Jun 17-28
N/A
TomatillosFrost Apr 12-26
Moon Apr 19-26
Frost Jun 28-Jul 12
Moon Jun 28-Jul 3
N/A
TomatoesFrost Apr 12-26
Moon Apr 19-26
Frost Jun 14-Jul 5
Moon Jun 17-Jul 3
N/A
TurnipsN/AN/AFrost May 10-31
Moon May 10-18
WatermelonsFrost May 10-17
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
Winter SquashN/AN/AFrost Jun 21-Jul 19
Moon Jun 21-Jul 3, Jul 17-19
Zucchini and Summer SquashN/AN/AFrost Jun 21-Jul 19
Moon Jun 21-Jul 3, Jul 17-19

Planting Dates for Fall

On average, your first fall frost occurs on September 4 (at KALISPELL GLACIER AP, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Jul 31
BeetsN/AN/AFrost Jul 21
Bell PeppersFrost Mar 22Frost June 28N/A
Bok ChoyN/AN/AFrost Jul 26
BroccoliFrost May 24Frost Jun 21N/A
CabbageFrost May 14Frost Jun 11N/A
CantaloupesN/AN/AFrost July 5
CarrotsN/AN/AFrost Jul 16
CauliflowerFrost May 24Frost Jun 21N/A
CeleryFrost Mar 13Frost June 28N/A
CollardsN/AN/AFrost Jul 6
CornN/AN/AFrost July 12
CucumbersN/AN/AFrost July 5
EggplantsFrost Mar 22Frost July 5N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 6
Green BeansN/AN/AFrost July 5
Jalapeño PeppersFrost Apr 11Frost June 28N/A
KaleFrost Jun 13Frost Jul 11N/A
KohlrabiN/AN/AFrost Jul 16
LettuceN/AN/AFrost Jul 26
OkraN/AN/AFrost July 5
ParsnipsN/AN/AFrost June 7
PeasN/AN/AFrost Jul 1
PotatoesN/AN/AFrost May 24
PumpkinsN/AN/AFrost July 5
RadishesN/AN/AFrost Jul 31
SpinachN/AN/AFrost Aug 10
Sweet PotatoesFrost Apr 2Frost July 12N/A
Swiss ChardN/AN/AFrost Jul 26
TomatillosN/AN/AFrost July 12
TomatoesFrost Mar 27Frost July 5N/A
TurnipsN/AN/AFrost Jul 26
WatermelonsN/AN/AFrost July 5
Winter SquashN/AN/AFrost July 19
Zucchini and Summer SquashN/AN/AFrost July 19
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