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

Planting Calendar for Hamilton, 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 28 (at HAMILTON, MT climate station, elevation 3585 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 14-28
Moon May 19-28
BasilFrost Apr 2-16
Moon Apr 2- 5
Frost May 28-Jun 18
Moon May 28-Jun 3, Jun 17-18
N/A
BeetsN/AN/AFrost May 14-Jun 4
Moon May 14-18, Jun 4
Bell PeppersFrost Mar 19-Apr 2
Moon Mar 21-Apr 2
Frost Jun 4-18
Moon Jun 17-18
N/A
BroccoliFrost Apr 2-16
Moon Apr 2- 5
Frost Apr 30-May 21
Moon Apr 30-May 5, May 19-21
N/A
CabbageFrost Apr 2-16
Moon Apr 2- 5
Frost Apr 30-May 14
Moon Apr 30-May 5
N/A
CantaloupesFrost Apr 30-May 7
Moon Apr 30-May 5
Frost Jun 11-25
Moon Jun 17-25
N/A
CarrotsN/AN/AFrost Apr 23-May 7
Moon May 6- 7
CauliflowerFrost Apr 2-16
Moon Apr 2- 5
Frost Apr 30-May 21
Moon Apr 30-May 5, May 19-21
N/A
CeleryFrost Mar 19-Apr 2
Moon Mar 21-Apr 2
Frost Jun 4-18
Moon Jun 17-18
N/A
ChivesN/AN/AFrost Apr 30-May 7
Moon Apr 30-May 5
Cilantro (Coriander)N/AN/AFrost May 28-Jun 11
Moon May 28-Jun 3
CornN/AN/AFrost Jun 11-Jul 2
Moon Jun 17-Jul 2
CucumbersFrost Apr 30-May 7
Moon Apr 30-May 5
Frost Jun 11-25
Moon Jun 17-25
N/A
DillN/AN/AFrost May 28-Jul 2
Moon May 28-Jun 3, Jun 17-Jul 2
EggplantsFrost Apr 2-16
Moon Apr 2- 5
Frost Jun 11-25
Moon Jun 17-25
N/A
Fava Beans (Broad Beans)Frost Mar 4-19
Moon Mar 4- 7
Frost Apr 9-30
Moon Apr 19-30
N/A
Green BeansN/AN/AFrost Jun 4-25
Moon Jun 17-25
Jalapeño PeppersFrost Mar 19-Apr 2
Moon Mar 21-Apr 2
Frost Jun 4-18
Moon Jun 17-18
N/A
KaleFrost Apr 2-16
Moon Apr 2- 5
Frost Apr 30-May 21
Moon Apr 30-May 5, May 19-21
N/A
KohlrabiFrost Apr 16-30
Moon Apr 19-30
Frost May 7-14
N/A
LettuceFrost Apr 16-30
Moon Apr 19-30
Frost May 14-Jun 11
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 11-25
Moon Jun 17-25
OnionsN/AN/AFrost Apr 30-May 21
Moon May 6-18
OreganoFrost Mar 19-Apr 16
Moon Mar 21-Apr 5
Frost May 28-Jun 18
Moon May 28-Jun 3, Jun 17-18
N/A
ParsleyN/AN/AFrost Apr 30-May 14
Moon Apr 30-May 5
ParsnipsN/AN/AFrost May 7-28
Moon May 7-18
PeasN/AN/AFrost Apr 16-May 7
Moon Apr 19-May 5
PotatoesN/AN/AFrost May 21-Jun 11
Moon Jun 4-11
PumpkinsFrost May 7-21
Moon May 19-21
Frost Jun 11-25
Moon Jun 17-25
N/A
RadishesN/AN/AFrost Apr 2-23
Moon Apr 6-18
RosemaryFrost Mar 19-Apr 2
Moon Mar 21-Apr 2
Frost Jun 4-25
Moon Jun 17-25
N/A
SageFrost Apr 2-16
Moon Apr 2- 5
Frost May 28-Jun 11
Moon May 28-Jun 3
N/A
SpinachN/AN/AFrost Apr 16-May 7
Moon Apr 19-May 5
Sweet PotatoesN/AN/AFrost Jun 18-Jul 2
Swiss ChardFrost Apr 16-30
Moon Apr 19-30
Frost May 7-14
N/A
ThymeFrost Mar 19-Apr 16
Moon Mar 21-Apr 5
Frost May 28-Jun 18
Moon May 28-Jun 3, Jun 17-18
N/A
TomatoesFrost Apr 2-16
Moon Apr 2- 5
Frost Jun 4-25
Moon Jun 17-25
N/A
TurnipsN/AN/AFrost Apr 30-May 21
Moon May 6-18
WatermelonsFrost Apr 30-May 7
Moon Apr 30-May 5
Frost Jun 11-25
Moon Jun 17-25
N/A
Winter SquashN/AN/AFrost Jun 11-Jul 9
Moon Jun 17-Jul 3
ZucchiniN/AN/AFrost Jun 11-Jul 9
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 16 (at HAMILTON, 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 18N/A
BroccoliFrost Jun 5Frost Jul 3N/A
CabbageFrost May 26Frost Jun 23N/A
CantaloupesN/AN/AFrost June 25
CarrotsN/AN/AFrost Jul 28
CauliflowerFrost Jun 5Frost Jul 3N/A
CeleryFrost Mar 25Frost June 18N/A
CornN/AN/AFrost July 2
CucumbersN/AN/AFrost June 25
EggplantsFrost Apr 3Frost June 25N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 18
Green BeansN/AN/AFrost June 25
Jalapeño PeppersFrost Apr 23Frost Jun 18N/A
KaleFrost Jun 25Frost Jul 23N/A
KohlrabiN/AN/AFrost Jul 28
LettuceN/AN/AFrost Aug 7
OkraN/AN/AFrost June 25
ParsnipsN/AN/AFrost Jun 13
PeasN/AN/AFrost Jul 13
PotatoesN/AN/AFrost Jul 3
PumpkinsN/AN/AFrost June 25
RadishesN/AN/AFrost Aug 12
SpinachN/AN/AFrost Aug 22
Sweet PotatoesFrost Apr 14Frost July 2N/A
Swiss ChardN/AN/AFrost Aug 7
TomatoesFrost Apr 8Frost June 25N/A
TurnipsN/AN/AFrost Aug 7
WatermelonsN/AN/AFrost June 25
Winter SquashN/AN/AFrost July 9
ZucchiniN/AN/AFrost July 9