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

Planting Calendar for Four Corners, 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 31 (at BOZEMAN 6 W EXP FARM, MT climate station, elevation 4773 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 17-31
Moon May 19-31
BasilFrost Apr 5-19
Moon Apr 5
Frost May 31-Jun 21
Moon May 31-Jun 3, Jun 17-21
N/A
BeetsN/AN/AFrost May 17-Jun 7
Moon May 17-18, Jun 4- 7
Bell PeppersFrost Mar 22-Apr 5
Moon Mar 22-Apr 5
Frost Jun 7-21
Moon Jun 17-21
N/A
BroccoliFrost Apr 5-19
Moon Apr 5
Frost May 3-24
Moon May 3- 5, May 19-24
N/A
CabbageFrost Apr 5-19
Moon Apr 5
Frost May 3-17
Moon May 3- 5
N/A
CantaloupesFrost May 3-10
Moon May 3- 5
Frost Jun 14-28
Moon Jun 17-28
N/A
CarrotsN/AN/AFrost Apr 26-May 10
Moon May 6-10
CauliflowerFrost Apr 5-19
Moon Apr 5
Frost May 3-24
Moon May 3- 5, May 19-24
N/A
CeleryFrost Mar 22-Apr 5
Moon Mar 22-Apr 5
Frost Jun 7-21
Moon Jun 17-21
N/A
ChivesN/AN/AFrost May 3-10
Moon May 3- 5
Cilantro (Coriander)N/AN/AFrost May 31-Jun 14
Moon May 31-Jun 3
CornN/AN/AFrost Jun 14-Jul 5
Moon Jun 17-Jul 3
CucumbersFrost May 3-10
Moon May 3- 5
Frost Jun 14-28
Moon Jun 17-28
N/A
DillN/AN/AFrost May 31-Jul 5
Moon May 31-Jun 3, Jun 17-Jul 3
EggplantsFrost Apr 5-19
Moon Apr 5
Frost Jun 14-28
Moon Jun 17-28
N/A
Fava Beans (Broad Beans)Frost Mar 7-22
Moon Mar 7
Frost Apr 12-May 3
Moon Apr 19-May 3
N/A
Green BeansN/AN/AFrost Jun 7-28
Moon Jun 17-28
Jalapeño PeppersFrost Mar 22-Apr 5
Moon Mar 22-Apr 5
Frost Jun 7-21
Moon Jun 17-21
N/A
KaleFrost Apr 5-19
Moon Apr 5
Frost May 3-24
Moon May 3- 5, May 19-24
N/A
KohlrabiFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 10-17
N/A
LettuceFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 17-Jun 14
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 14-28
Moon Jun 17-28
OnionsN/AN/AFrost May 3-24
Moon May 6-18
OreganoFrost Mar 22-Apr 19
Moon Mar 22-Apr 5, Apr 19
Frost May 31-Jun 21
Moon May 31-Jun 3, Jun 17-21
N/A
ParsleyN/AN/AFrost May 3-17
Moon May 3- 5
ParsnipsN/AN/AFrost May 10-31
Moon May 10-18
PeasN/AN/AFrost Apr 19-May 10
Moon Apr 19-May 5
PotatoesN/AN/AFrost May 24-Jun 14
Moon Jun 4-14
PumpkinsFrost May 10-24
Moon May 19-24
Frost Jun 14-28
Moon Jun 17-28
N/A
RadishesN/AN/AFrost Apr 5-26
Moon Apr 6-18
RosemaryFrost Mar 22-Apr 5
Moon Mar 22-Apr 5
Frost Jun 7-28
Moon Jun 17-28
N/A
SageFrost Apr 5-19
Moon Apr 5
Frost May 31-Jun 14
Moon May 31-Jun 3
N/A
SpinachN/AN/AFrost Apr 19-May 10
Moon Apr 19-May 5
Sweet PotatoesN/AN/AFrost Jun 21-Jul 5
Moon Jul 4- 5
Swiss ChardFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 10-17
N/A
ThymeFrost Mar 22-Apr 19
Moon Mar 22-Apr 5, Apr 19
Frost May 31-Jun 21
Moon May 31-Jun 3, Jun 17-21
N/A
TomatoesFrost Apr 5-19
Moon Apr 5
Frost Jun 7-28
Moon Jun 17-28
N/A
TurnipsN/AN/AFrost May 3-24
Moon May 6-18
WatermelonsFrost May 3-10
Moon May 3- 5
Frost Jun 14-28
Moon Jun 17-28
N/A
Winter SquashN/AN/AFrost Jun 14-Jul 12
Moon Jun 17-Jul 3
ZucchiniN/AN/AFrost Jun 14-Jul 12
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 16 (at BOZEMAN 6 W EXP FARM, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 12
BeetsN/AN/AFrost Aug 2
Bell PeppersFrost Apr 3Frost June 21N/A
BroccoliFrost Jun 5Frost Jul 3N/A
CabbageFrost May 26Frost Jun 23N/A
CantaloupesN/AN/AFrost June 28
CarrotsN/AN/AFrost Jul 28
CauliflowerFrost Jun 5Frost Jul 3N/A
CeleryFrost Mar 25Frost June 21N/A
CornN/AN/AFrost July 5
CucumbersN/AN/AFrost June 28
EggplantsFrost Apr 3Frost June 28N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 18
Green BeansN/AN/AFrost June 28
Jalapeño PeppersFrost Apr 23Frost June 21N/A
KaleFrost Jun 25Frost Jul 23N/A
KohlrabiN/AN/AFrost Jul 28
LettuceN/AN/AFrost Aug 7
OkraN/AN/AFrost June 28
ParsnipsN/AN/AFrost Jun 13
PeasN/AN/AFrost Jul 13
PotatoesN/AN/AFrost Jul 3
PumpkinsN/AN/AFrost June 28
RadishesN/AN/AFrost Aug 12
SpinachN/AN/AFrost Aug 22
Sweet PotatoesFrost Apr 14Frost July 5N/A
Swiss ChardN/AN/AFrost Aug 7
TomatoesFrost Apr 8Frost June 28N/A
TurnipsN/AN/AFrost Aug 7
WatermelonsN/AN/AFrost June 28
Winter SquashN/AN/AFrost July 12
ZucchiniN/AN/AFrost July 12