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

Planting Calendar for Whitehall, 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 2 (at BOULDER, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Jul 29
BeetsN/AN/AFrost Jul 19
Bell PeppersFrost Mar 20Frost July 5N/A
BroccoliFrost May 22Frost Jun 19N/A
CabbageFrost May 12Frost Jun 9N/A
CantaloupesN/AN/AFrost July 12
CarrotsN/AN/AFrost Jul 14
CauliflowerFrost May 22Frost Jun 19N/A
CeleryFrost Mar 10Frost July 5N/A
CornN/AN/AFrost July 19
CucumbersN/AN/AFrost July 12
EggplantsFrost Mar 20Frost July 12N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 4
Green BeansN/AN/AFrost July 12
Jalapeño PeppersFrost Apr 9Frost July 5N/A
KaleFrost Jun 11Frost Jul 9N/A
KohlrabiN/AN/AFrost Jul 14
LettuceN/AN/AFrost Jul 24
OkraN/AN/AFrost July 12
ParsnipsN/AN/AFrost June 14
PeasN/AN/AFrost Jun 29
PotatoesN/AN/AFrost June 28
PumpkinsN/AN/AFrost July 12
RadishesN/AN/AFrost Jul 29
SpinachN/AN/AFrost Aug 8
Sweet PotatoesFrost Mar 31Frost July 19N/A
Swiss ChardN/AN/AFrost Jul 24
TomatoesFrost Mar 25Frost July 12N/A
TurnipsN/AN/AFrost Jul 24
WatermelonsN/AN/AFrost July 12
Winter SquashN/AN/AFrost July 26
ZucchiniN/AN/AFrost July 26

Planting Dates for Spring

On average, your last spring frost occurs on June 14 (at BOULDER, MT climate station, elevation 4904 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 31-Jun 14
Moon May 31-Jun 3
BasilFrost Apr 19-May 3
Moon Apr 19-May 3
Frost Jun 14-Jul 5
Moon Jun 17-Jul 3
N/A
BeetsN/AN/AFrost May 31-Jun 21
Moon Jun 4-16
Bell PeppersFrost Apr 5-19
Moon Apr 5
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
BroccoliFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 17-Jun 7
Moon May 19-Jun 3
N/A
CabbageFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 17-31
Moon May 19-31
N/A
CantaloupesFrost May 17-24
Moon May 19-24
Frost Jun 28-Jul 12
Moon Jun 28-Jul 3
N/A
CarrotsN/AN/AFrost May 10-24
Moon May 10-18
CauliflowerFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 17-Jun 7
Moon May 19-Jun 3
N/A
CeleryFrost Apr 5-19
Moon Apr 5
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
ChivesN/AN/AFrost May 17-24
Moon May 19-24
Cilantro (Coriander)N/AN/AFrost Jun 14-28
Moon Jun 17-28
CornN/AN/AFrost Jun 28-Jul 19
Moon Jun 28-Jul 3, Jul 17-19
CucumbersFrost May 17-24
Moon May 19-24
Frost Jun 28-Jul 12
Moon Jun 28-Jul 3
N/A
DillN/AN/AFrost Jun 14-Jul 19
Moon Jun 17-Jul 3
EggplantsFrost Apr 19-May 3
Moon Apr 19-May 3
Frost Jun 28-Jul 12
Moon Jun 28-Jul 3
N/A
Fava Beans (Broad Beans)Frost Mar 22-Apr 5
Moon Mar 22-Apr 5
Frost Apr 26-May 17
Moon Apr 26-May 5
N/A
Green BeansN/AN/AFrost Jun 21-Jul 12
Moon Jun 21-Jul 3
Jalapeño PeppersFrost Apr 5-19
Moon Apr 5
Frost Jun 21-Jul 5
Moon Jun 21-Jul 3
N/A
KaleFrost Apr 19-May 3
Moon Apr 19-May 3
Frost May 17-Jun 7
Moon May 19-Jun 3
N/A
KohlrabiFrost May 3-17
Moon May 3- 5
Frost May 24-31
Moon May 24-31
N/A
LettuceFrost May 3-17
Moon May 3- 5
Frost May 31-Jun 28
Moon May 31-Jun 3, Jun 17-28
N/A
OkraN/AN/AFrost Jun 28-Jul 12
Moon Jun 28-Jul 3
OnionsN/AN/AFrost May 17-Jun 7
Moon May 17-18, Jun 4- 7
OreganoFrost Apr 5-May 3
Moon Apr 5, Apr 20-May 3
Frost Jun 14-Jul 5
Moon Jun 17-Jul 3
N/A
ParsleyN/AN/AFrost May 17-31
Moon May 19-31
ParsnipsN/AN/AFrost May 24-Jun 14
Moon Jun 4-14
PeasN/AN/AFrost May 3-24
Moon May 3- 5, May 19-24
PotatoesN/AN/AFrost Jun 7-28
Moon Jun 7-16
PumpkinsFrost May 24-Jun 7
Moon May 24-Jun 3
Frost Jun 28-Jul 12
Moon Jun 28-Jul 3
N/A
RadishesN/AN/AFrost Apr 19-May 10
Moon May 6-10
RosemaryFrost Apr 5-19
Moon Apr 5
Frost Jun 21-Jul 12
Moon Jun 21-Jul 3
N/A
SageFrost Apr 19-May 3
Moon Apr 19-May 3
Frost Jun 14-28
Moon Jun 17-28
N/A
SpinachN/AN/AFrost May 3-24
Moon May 3- 5, May 19-24
Sweet PotatoesN/AN/AFrost Jul 5-19
Moon Jul 5-16
Swiss ChardFrost May 3-17
Moon May 3- 5
Frost May 24-31
Moon May 24-31
N/A
ThymeFrost Apr 5-May 3
Moon Apr 5, Apr 20-May 3
Frost Jun 14-Jul 5
Moon Jun 17-Jul 3
N/A
TomatoesFrost Apr 19-May 3
Moon Apr 19-May 3
Frost Jun 21-Jul 12
Moon Jun 21-Jul 3
N/A
TurnipsN/AN/AFrost May 17-Jun 7
Moon May 17-18, Jun 4- 7
WatermelonsFrost May 17-24
Moon May 19-24
Frost Jun 28-Jul 12
Moon Jun 28-Jul 3
N/A
Winter SquashN/AN/AFrost Jun 28-Jul 26
Moon Jun 28-Jul 3, Jul 17-26
ZucchiniN/AN/AFrost Jun 28-Jul 26
Moon Jun 28-Jul 3, Jul 17-26