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

Planting Calendar for Manhattan, 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 June 1 (at LOGAN LANDFILL, MT climate station, elevation 4242 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 18-Jun 1
Moon May 19-Jun 1
BasilFrost Apr 6-20
Moon Apr 19-20
Frost Jun 1-22
Moon Jun 1- 3, Jun 17-22
N/A
BeetsN/AN/AFrost May 18-Jun 8
Moon May 18, Jun 4- 8
Bell PeppersFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Jun 8-22
Moon Jun 17-22
N/A
BroccoliFrost Apr 6-20
Moon Apr 19-20
Frost May 4-25
Moon May 4- 5, May 19-25
N/A
CabbageFrost Apr 6-20
Moon Apr 19-20
Frost May 4-18
Moon May 4- 5
N/A
CantaloupesFrost May 4-11
Moon May 4- 5
Frost Jun 15-29
Moon Jun 17-29
N/A
CarrotsN/AN/AFrost Apr 27-May 11
Moon May 6-11
CauliflowerFrost Apr 6-20
Moon Apr 19-20
Frost May 4-25
Moon May 4- 5, May 19-25
N/A
CeleryFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Jun 8-22
Moon Jun 17-22
N/A
ChivesN/AN/AFrost May 4-11
Moon May 4- 5
Cilantro (Coriander)N/AN/AFrost Jun 1-15
Moon Jun 1- 3
CornN/AN/AFrost Jun 15-Jul 6
Moon Jun 17-Jul 3
CucumbersFrost May 4-11
Moon May 4- 5
Frost Jun 15-29
Moon Jun 17-29
N/A
DillN/AN/AFrost Jun 1-Jul 6
Moon Jun 1- 3, Jun 17-Jul 3
EggplantsFrost Apr 6-20
Moon Apr 19-20
Frost Jun 15-29
Moon Jun 17-29
N/A
Fava Beans (Broad Beans)Frost Mar 8-23
Moon Mar 21-23
Frost Apr 13-May 4
Moon Apr 19-May 4
N/A
Green BeansN/AN/AFrost Jun 8-29
Moon Jun 17-29
Jalapeño PeppersFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Jun 8-22
Moon Jun 17-22
N/A
KaleFrost Apr 6-20
Moon Apr 19-20
Frost May 4-25
Moon May 4- 5, May 19-25
N/A
KohlrabiFrost Apr 20-May 4
Moon Apr 20-May 4
Frost May 11-18
N/A
LettuceFrost Apr 20-May 4
Moon Apr 20-May 4
Frost May 18-Jun 15
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 15-29
Moon Jun 17-29
OnionsN/AN/AFrost May 4-25
Moon May 6-18
OreganoFrost Mar 23-Apr 20
Moon Mar 23-Apr 5, Apr 19-20
Frost Jun 1-22
Moon Jun 1- 3, Jun 17-22
N/A
ParsleyN/AN/AFrost May 4-18
Moon May 4- 5
ParsnipsN/AN/AFrost May 11-Jun 1
Moon May 11-18
PeasN/AN/AFrost Apr 20-May 11
Moon Apr 20-May 5
PotatoesN/AN/AFrost May 25-Jun 15
Moon Jun 4-15
PumpkinsFrost May 11-25
Moon May 19-25
Frost Jun 15-29
Moon Jun 17-29
N/A
RadishesN/AN/AFrost Apr 6-27
Moon Apr 6-18
RosemaryFrost Mar 23-Apr 6
Moon Mar 23-Apr 5
Frost Jun 8-29
Moon Jun 17-29
N/A
SageFrost Apr 6-20
Moon Apr 19-20
Frost Jun 1-15
Moon Jun 1- 3
N/A
SpinachN/AN/AFrost Apr 20-May 11
Moon Apr 20-May 5
Sweet PotatoesN/AN/AFrost Jun 22-Jul 6
Moon Jul 4- 6
Swiss ChardFrost Apr 20-May 4
Moon Apr 20-May 4
Frost May 11-18
N/A
ThymeFrost Mar 23-Apr 20
Moon Mar 23-Apr 5, Apr 19-20
Frost Jun 1-22
Moon Jun 1- 3, Jun 17-22
N/A
TomatoesFrost Apr 6-20
Moon Apr 19-20
Frost Jun 8-29
Moon Jun 17-29
N/A
TurnipsN/AN/AFrost May 4-25
Moon May 6-18
WatermelonsFrost May 4-11
Moon May 4- 5
Frost Jun 15-29
Moon Jun 17-29
N/A
Winter SquashN/AN/AFrost Jun 15-Jul 13
Moon Jun 17-Jul 3
ZucchiniN/AN/AFrost Jun 15-Jul 13
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 9 (at LOGAN LANDFILL, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 5
BeetsN/AN/AFrost Jul 26
Bell PeppersFrost Mar 27Frost June 22N/A
BroccoliFrost May 29Frost Jun 26N/A
CabbageFrost May 19Frost Jun 16N/A
CantaloupesN/AN/AFrost June 29
CarrotsN/AN/AFrost Jul 21
CauliflowerFrost May 29Frost Jun 26N/A
CeleryFrost Mar 18Frost June 22N/A
CornN/AN/AFrost July 6
CucumbersN/AN/AFrost June 29
EggplantsFrost Mar 27Frost June 29N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 11
Green BeansN/AN/AFrost June 29
Jalapeño PeppersFrost Apr 16Frost June 22N/A
KaleFrost Jun 18Frost Jul 16N/A
KohlrabiN/AN/AFrost Jul 21
LettuceN/AN/AFrost Jul 31
OkraN/AN/AFrost June 29
ParsnipsN/AN/AFrost Jun 6
PeasN/AN/AFrost Jul 6
PotatoesN/AN/AFrost Jun 26
PumpkinsN/AN/AFrost June 29
RadishesN/AN/AFrost Aug 5
SpinachN/AN/AFrost Aug 15
Sweet PotatoesFrost Apr 7Frost July 6N/A
Swiss ChardN/AN/AFrost Jul 31
TomatoesFrost Apr 1Frost June 29N/A
TurnipsN/AN/AFrost Jul 31
WatermelonsN/AN/AFrost June 29
Winter SquashN/AN/AFrost July 13
ZucchiniN/AN/AFrost July 13