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

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Planting Calendar for Libby, 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 16 (at LIBBY, MT climate station, elevation 2139 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 2-16
Moon May 2- 5
BasilFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost May 16-Jun 6
Moon May 19-Jun 3
N/A
BeetsN/AN/AFrost May 2-23
Moon May 6-18
Bell PeppersFrost Mar 6-21
Moon Mar 6- 7
Frost May 23-Jun 6
Moon May 23-Jun 3
N/A
Bok ChoyFrost Apr 4-18
Moon Apr 4- 5
Frost May 23-Jun 6
Moon May 23-Jun 3
N/A
BroccoliFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 18-May 9
Moon Apr 19-May 5
N/A
CabbageFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 18-May 2
Moon Apr 19-May 2
N/A
CantaloupesFrost Apr 18-25
Moon Apr 19-25
Frost May 30-Jun 13
Moon May 30-Jun 3
N/A
CarrotsN/AN/AFrost Apr 11-25
Moon Apr 11-18
CauliflowerFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 18-May 9
Moon Apr 19-May 5
N/A
CeleryFrost Mar 6-21
Moon Mar 6- 7
Frost May 23-Jun 6
Moon May 23-Jun 3
N/A
ChivesN/AN/AFrost Apr 18-25
Moon Apr 19-25
Cilantro (Coriander)N/AN/AFrost May 16-30
Moon May 19-30
CollardsN/AN/AFrost Apr 18-May 2
Moon Apr 19-May 2
CornN/AN/AFrost May 30-Jun 20
Moon May 30-Jun 3, Jun 17-20
CucumbersFrost Apr 18-25
Moon Apr 19-25
Frost May 30-Jun 13
Moon May 30-Jun 3
N/A
DillN/AN/AFrost May 16-Jun 20
Moon May 19-Jun 3
EggplantsFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost May 30-Jun 13
Moon May 30-Jun 3
N/A
Fava Beans (Broad Beans)Frost Feb 20-Mar 6
Moon Feb 20-Mar 6
Frost Mar 28-Apr 18
Moon Mar 28-Apr 5
N/A
Green BeansN/AN/AFrost May 23-Jun 13
Moon May 23-Jun 3
Jalapeño PeppersFrost Mar 6-21
Moon Mar 6- 7
Frost May 23-Jun 6
Moon May 23-Jun 3
N/A
KaleFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Apr 18-May 9
Moon Apr 19-May 5
N/A
KohlrabiFrost Apr 4-18
Moon Apr 4- 5
Frost Apr 25-May 2
Moon Apr 25-May 2
N/A
LettuceFrost Apr 4-18
Moon Apr 4- 5
Frost May 2-30
Moon May 2- 5, May 19-30
N/A
OkraN/AN/AFrost May 30-Jun 13
Moon May 30-Jun 3
OnionsN/AN/AFrost Apr 18-May 9
Moon Apr 18, May 6- 9
OreganoFrost Mar 6-Apr 4
Moon Mar 6- 7, Mar 22-Apr 4
Frost May 16-Jun 6
Moon May 19-Jun 3
N/A
ParsleyN/AN/AFrost Apr 18-May 2
Moon Apr 19-May 2
ParsnipsN/AN/AFrost Apr 25-May 16
Moon May 6-16
PeasN/AN/AFrost Apr 4-25
Moon Apr 4- 5, Apr 19-25
PotatoesN/AN/AFrost Apr 18-May 2
Moon Apr 18
PumpkinsFrost Apr 25-May 9
Moon Apr 25-May 5
Frost May 30-Jun 13
Moon May 30-Jun 3
N/A
RadishesN/AN/AFrost Mar 21-Apr 11
Moon Apr 6-11
RosemaryFrost Mar 6-21
Moon Mar 6- 7
Frost May 23-Jun 13
Moon May 23-Jun 3
N/A
SageFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost May 16-30
Moon May 19-30
N/A
SpinachN/AN/AFrost Apr 4-25
Moon Apr 4- 5, Apr 19-25
Sweet PotatoesN/AN/AFrost Jun 6-20
Moon Jun 6-16
Swiss ChardFrost Apr 4-18
Moon Apr 4- 5
Frost Apr 25-May 2
Moon Apr 25-May 2
N/A
ThymeFrost Mar 6-Apr 4
Moon Mar 6- 7, Mar 22-Apr 4
Frost May 16-Jun 6
Moon May 19-Jun 3
N/A
TomatillosFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost Jun 6-20
Moon Jun 17-20
N/A
TomatoesFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
Frost May 23-Jun 13
Moon May 23-Jun 3
N/A
TurnipsN/AN/AFrost Apr 18-May 9
Moon Apr 18, May 6- 9
WatermelonsFrost Apr 18-25
Moon Apr 19-25
Frost May 30-Jun 13
Moon May 30-Jun 3
N/A
Winter SquashN/AN/AFrost May 30-Jun 27
Moon May 30-Jun 3, Jun 17-27
Zucchini and Summer SquashN/AN/AFrost May 30-Jun 27
Moon May 30-Jun 3, Jun 17-27

Planting Dates for Fall

On average, your first fall frost occurs on September 20 (at LIBBY, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 16
BeetsN/AN/AFrost Aug 6
Bell PeppersFrost Apr 7Frost June 6N/A
Bok ChoyN/AN/AFrost Aug 11
BroccoliFrost Jun 9Frost Jul 7N/A
CabbageFrost May 30Frost Jun 27N/A
CantaloupesN/AN/AFrost June 13
CarrotsN/AN/AFrost Aug 1
CauliflowerFrost Jun 9Frost Jul 7N/A
CeleryFrost Mar 29Frost Jun 7N/A
CollardsN/AN/AFrost Jul 22
CornN/AN/AFrost June 20
CucumbersN/AN/AFrost Jun 17
EggplantsFrost Apr 7Frost June 13N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 22
Green BeansN/AN/AFrost Jun 17
Jalapeño PeppersFrost Apr 27Frost Jun 22N/A
KaleFrost Jun 29Frost Jul 27N/A
KohlrabiN/AN/AFrost Aug 1
LettuceN/AN/AFrost Aug 11
OkraN/AN/AFrost June 13
ParsnipsN/AN/AFrost Jun 17
PeasN/AN/AFrost Jul 17
PotatoesN/AN/AFrost Jun 2
PumpkinsN/AN/AFrost June 13
RadishesN/AN/AFrost Aug 16
SpinachN/AN/AFrost Aug 26
Sweet PotatoesFrost Apr 18Frost June 20N/A
Swiss ChardN/AN/AFrost Aug 11
TomatillosN/AN/AFrost June 20
TomatoesFrost Apr 12Frost June 13N/A
TurnipsN/AN/AFrost Aug 11
WatermelonsN/AN/AFrost June 13
Winter SquashN/AN/AFrost June 27
Zucchini and Summer SquashN/AN/AFrost June 27
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