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2022 Planting Calendar: When to Start Vegetable Seeds | The Old Farmer's Almanac

Planting Calendar for Big Timber, 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 Fall

On average, your first fall frost occurs on September 21 (at BIG TIMBER, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 17
BeetsN/AN/AFrost Aug 7
Bell PeppersFrost Apr 8Frost June 10N/A
BroccoliFrost Jun 10Frost Jul 8N/A
CabbageFrost May 31Frost Jun 28N/A
CantaloupesN/AN/AFrost June 17
CarrotsN/AN/AFrost Aug 2
CauliflowerFrost Jun 10Frost Jul 8N/A
CeleryFrost Mar 30Frost June 10N/A
CornN/AN/AFrost June 24
CucumbersN/AN/AFrost Jun 18
EggplantsFrost Apr 8Frost June 17N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 23
Green BeansN/AN/AFrost Jun 18
Jalapeño PeppersFrost Apr 28Frost Jun 23N/A
KaleFrost Jun 30Frost Jul 28N/A
KohlrabiN/AN/AFrost Aug 2
LettuceN/AN/AFrost Aug 12
OkraN/AN/AFrost June 17
ParsnipsN/AN/AFrost Jun 18
PeasN/AN/AFrost Jul 18
PotatoesN/AN/AFrost Jul 8
PumpkinsN/AN/AFrost June 17
RadishesN/AN/AFrost Aug 17
SpinachN/AN/AFrost Aug 27
Sweet PotatoesFrost Apr 19Frost June 24N/A
Swiss ChardN/AN/AFrost Aug 12
TomatoesFrost Apr 13Frost June 17N/A
TurnipsN/AN/AFrost Aug 12
WatermelonsN/AN/AFrost June 17
Winter SquashN/AN/AFrost July 1
ZucchiniN/AN/AFrost July 1

Planting Dates for Spring

On average, your last spring frost occurs on May 20 (at BIG TIMBER, MT climate station, elevation 4101 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 6-20
Moon May 19-20
BasilFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 20-Jun 10
Moon May 20-Jun 3
N/A
BeetsN/AN/AFrost May 6-27
Moon May 6-18
Bell PeppersFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
BroccoliFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
CabbageFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 6
Moon Apr 22-May 5
N/A
CantaloupesFrost Apr 22-29
Moon Apr 22-29
Frost Jun 3-17
Moon Jun 3
N/A
CarrotsN/AN/AFrost Apr 15-29
Moon Apr 15-18
CauliflowerFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
CeleryFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
ChivesN/AN/AFrost Apr 22-29
Moon Apr 22-29
Cilantro (Coriander)N/AN/AFrost May 20-Jun 3
Moon May 20-Jun 3
CornN/AN/AFrost Jun 3-24
Moon Jun 3, Jun 18-24
CucumbersFrost Apr 22-29
Moon Apr 22-29
Frost Jun 3-17
Moon Jun 3
N/A
DillN/AN/AFrost May 20-Jun 24
Moon May 20-Jun 3, Jun 17-24
EggplantsFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 3-17
Moon Jun 3
N/A
Fava Beans (Broad Beans)Frost Feb 24-Mar 10
Moon Feb 24-Mar 7
Frost Apr 1-22
Moon Apr 1- 5, Apr 19-22
N/A
Green BeansN/AN/AFrost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
Jalapeño PeppersFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 10
Moon May 27-Jun 3
N/A
KaleFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Apr 22-May 13
Moon Apr 22-May 5
N/A
KohlrabiFrost Apr 8-22
Moon Apr 19-22
Frost Apr 29-May 6
Moon Apr 29-May 5
N/A
LettuceFrost Apr 8-22
Moon Apr 19-22
Frost May 6-Jun 3
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 3-17
Moon Jun 3
OnionsN/AN/AFrost Apr 22-May 13
Moon May 6-13
OreganoFrost Mar 10-Apr 8
Moon Mar 21-Apr 5
Frost May 20-Jun 10
Moon May 20-Jun 3
N/A
ParsleyN/AN/AFrost Apr 22-May 6
Moon Apr 22-May 5
ParsnipsN/AN/AFrost Apr 29-May 20
Moon May 6-18
PeasN/AN/AFrost Apr 8-29
Moon Apr 19-29
PotatoesN/AN/AFrost May 13-Jun 3
Moon May 13-18
PumpkinsFrost Apr 29-May 13
Moon Apr 29-May 5
Frost Jun 3-17
Moon Jun 3
N/A
RadishesN/AN/AFrost Mar 25-Apr 15
Moon Apr 6-15
RosemaryFrost Mar 10-25
Moon Mar 21-25
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
SageFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 20-Jun 3
Moon May 20-Jun 3
N/A
SpinachN/AN/AFrost Apr 8-29
Moon Apr 19-29
Sweet PotatoesN/AN/AFrost Jun 10-24
Moon Jun 10-16
Swiss ChardFrost Apr 8-22
Moon Apr 19-22
Frost Apr 29-May 6
Moon Apr 29-May 5
N/A
ThymeFrost Mar 10-Apr 8
Moon Mar 21-Apr 5
Frost May 20-Jun 10
Moon May 20-Jun 3
N/A
TomatoesFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost May 27-Jun 17
Moon May 27-Jun 3, Jun 17
N/A
TurnipsN/AN/AFrost Apr 22-May 13
Moon May 6-13
WatermelonsFrost Apr 22-29
Moon Apr 22-29
Frost Jun 3-17
Moon Jun 3
N/A
Winter SquashN/AN/AFrost Jun 3-Jul 1
Moon Jun 3, Jun 18-Jul 1
ZucchiniN/AN/AFrost Jun 3-Jul 1
Moon Jun 3, Jun 18-Jul 1