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

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Planting Calendar for Cascade, 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 27 (at CASCADE 5 S, MT climate station, elevation 3359 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 13-27
Moon May 19-27
BasilFrost Apr 1-15
Moon Apr 1- 5
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
BeetsN/AN/AFrost May 13-Jun 3
Moon May 13-18
Bell PeppersFrost Mar 18-Apr 1
Moon Mar 21-Apr 1
Frost Jun 3-17
Moon Jun 3
N/A
Bok ChoyFrost Apr 15-29
Moon Apr 19-29
Frost Jun 3-17
Moon Jun 3
N/A
BroccoliFrost Apr 1-15
Moon Apr 1- 5
Frost Apr 29-May 20
Moon Apr 29-May 5, May 19-20
N/A
CabbageFrost Apr 1-15
Moon Apr 1- 5
Frost Apr 29-May 13
Moon Apr 29-May 5
N/A
CantaloupesFrost Apr 29-May 6
Moon Apr 29-May 5
Frost Jun 10-24
Moon Jun 17-24
N/A
CarrotsN/AN/AFrost Apr 22-May 6
Moon May 6
CauliflowerFrost Apr 1-15
Moon Apr 1- 5
Frost Apr 29-May 20
Moon Apr 29-May 5, May 19-20
N/A
CeleryFrost Mar 18-Apr 1
Moon Mar 21-Apr 1
Frost Jun 3-17
Moon Jun 3
N/A
ChivesN/AN/AFrost Apr 29-May 6
Moon Apr 29-May 5
Cilantro (Coriander)N/AN/AFrost May 27-Jun 10
Moon May 27-Jun 3
CollardsN/AN/AFrost Apr 29-May 13
Moon Apr 29-May 5
CornN/AN/AFrost Jun 10-Jul 1
Moon Jun 17-Jul 1
CucumbersFrost Apr 29-May 6
Moon Apr 29-May 5
Frost Jun 10-24
Moon Jun 17-24
N/A
DillN/AN/AFrost May 27-Jul 1
Moon May 27-Jun 3, Jun 17-Jul 1
EggplantsFrost Apr 1-15
Moon Apr 1- 5
Frost Jun 10-24
Moon Jun 17-24
N/A
Fava Beans (Broad Beans)Frost Mar 3-18
Moon Mar 3- 7
Frost Apr 8-29
Moon Apr 19-29
N/A
Green BeansN/AN/AFrost Jun 3-24
Moon Jun 3, Jun 18-24
Jalapeño PeppersFrost Mar 18-Apr 1
Moon Mar 21-Apr 1
Frost Jun 3-17
Moon Jun 3
N/A
KaleFrost Apr 1-15
Moon Apr 1- 5
Frost Apr 29-May 20
Moon Apr 29-May 5, May 19-20
N/A
KohlrabiFrost Apr 15-29
Moon Apr 19-29
Frost May 6-13
N/A
LettuceFrost Apr 15-29
Moon Apr 19-29
Frost May 13-Jun 10
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 10-24
Moon Jun 17-24
OnionsN/AN/AFrost Apr 29-May 20
Moon May 6-18
OreganoFrost Mar 18-Apr 15
Moon Mar 21-Apr 5
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
ParsleyN/AN/AFrost Apr 29-May 13
Moon Apr 29-May 5
ParsnipsN/AN/AFrost May 6-27
Moon May 6-18
PeasN/AN/AFrost Apr 15-May 6
Moon Apr 19-May 5
PotatoesN/AN/AFrost Apr 29-May 13
Moon May 6-13
PumpkinsFrost May 6-20
Moon May 19-20
Frost Jun 10-24
Moon Jun 17-24
N/A
RadishesN/AN/AFrost Apr 1-22
Moon Apr 6-18
RosemaryFrost Mar 18-Apr 1
Moon Mar 21-Apr 1
Frost Jun 3-24
Moon Jun 3, Jun 18-24
N/A
SageFrost Apr 1-15
Moon Apr 1- 5
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
SpinachN/AN/AFrost Apr 15-May 6
Moon Apr 19-May 5
Sweet PotatoesN/AN/AFrost Jun 17-Jul 1
Swiss ChardFrost Apr 15-29
Moon Apr 19-29
Frost May 6-13
N/A
ThymeFrost Mar 18-Apr 15
Moon Mar 21-Apr 5
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
TomatillosFrost Apr 1-15
Moon Apr 1- 5
Frost Jun 17-Jul 1
Moon Jun 17-Jul 1
N/A
TomatoesFrost Apr 1-15
Moon Apr 1- 5
Frost Jun 3-24
Moon Jun 3, Jun 18-24
N/A
TurnipsN/AN/AFrost Apr 29-May 20
Moon May 6-18
WatermelonsFrost Apr 29-May 6
Moon Apr 29-May 5
Frost Jun 10-24
Moon Jun 17-24
N/A
Winter SquashN/AN/AFrost Jun 10-Jul 8
Moon Jun 17-Jul 3
Zucchini and Summer SquashN/AN/AFrost Jun 10-Jul 8
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 12 (at CASCADE 5 S, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 8
BeetsN/AN/AFrost Jul 29
Bell PeppersFrost Mar 30Frost June 17N/A
Bok ChoyN/AN/AFrost Aug 3
BroccoliFrost Jun 1Frost Jun 29N/A
CabbageFrost May 22Frost Jun 19N/A
CantaloupesN/AN/AFrost June 24
CarrotsN/AN/AFrost Jul 24
CauliflowerFrost Jun 1Frost Jun 29N/A
CeleryFrost Mar 21Frost June 17N/A
CollardsN/AN/AFrost Jul 14
CornN/AN/AFrost July 1
CucumbersN/AN/AFrost June 24
EggplantsFrost Mar 30Frost June 24N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 14
Green BeansN/AN/AFrost June 24
Jalapeño PeppersFrost Apr 19Frost June 17N/A
KaleFrost Jun 21Frost Jul 19N/A
KohlrabiN/AN/AFrost Jul 24
LettuceN/AN/AFrost Aug 3
OkraN/AN/AFrost June 24
ParsnipsN/AN/AFrost Jun 9
PeasN/AN/AFrost Jul 9
PotatoesN/AN/AFrost May 25
PumpkinsN/AN/AFrost June 24
RadishesN/AN/AFrost Aug 8
SpinachN/AN/AFrost Aug 18
Sweet PotatoesFrost Apr 10Frost July 1N/A
Swiss ChardN/AN/AFrost Aug 3
TomatillosN/AN/AFrost July 1
TomatoesFrost Apr 4Frost June 24N/A
TurnipsN/AN/AFrost Aug 3
WatermelonsN/AN/AFrost June 24
Winter SquashN/AN/AFrost July 8
Zucchini and Summer SquashN/AN/AFrost July 8
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