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

Planting Calendar for Glasgow, 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 8 (at GLASGOW #2, MT climate station, elevation 2089 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 24-May 8
Moon Apr 24-May 5
BasilFrost Mar 13-27
Moon Mar 21-27
Frost May 8-29
Moon May 19-29
N/A
BeetsN/AN/AFrost Apr 24-May 15
Moon May 6-15
Bell PeppersFrost Feb 26-Mar 13
Moon Feb 26-Mar 7
Frost May 15-29
Moon May 19-29
N/A
BroccoliFrost Mar 13-27
Moon Mar 21-27
Frost Apr 10-May 1
Moon Apr 19-May 1
N/A
CabbageFrost Mar 13-27
Moon Mar 21-27
Frost Apr 10-24
Moon Apr 19-24
N/A
CantaloupesFrost Apr 10-17
Frost May 22-Jun 5
Moon May 22-Jun 3
N/A
CarrotsN/AN/AFrost Apr 3-17
Moon Apr 6-17
CauliflowerFrost Mar 13-27
Moon Mar 21-27
Frost Apr 10-May 1
Moon Apr 19-May 1
N/A
CeleryFrost Feb 26-Mar 13
Moon Feb 26-Mar 7
Frost May 15-29
Moon May 19-29
N/A
ChivesN/AN/AFrost Apr 10-17
Cilantro (Coriander)N/AN/AFrost May 8-22
Moon May 19-22
CornN/AN/AFrost May 22-Jun 12
Moon May 22-Jun 3
CucumbersFrost Apr 10-17
Frost May 22-Jun 5
Moon May 22-Jun 3
N/A
DillN/AN/AFrost May 8-Jun 12
Moon May 19-Jun 3
EggplantsFrost Mar 13-27
Moon Mar 21-27
Frost May 22-Jun 5
Moon May 22-Jun 3
N/A
Fava Beans (Broad Beans)Frost Feb 12-26
Moon Feb 20-26
Frost Mar 20-Apr 10
Moon Mar 21-Apr 5
N/A
Green BeansN/AN/AFrost May 15-Jun 5
Moon May 19-Jun 3
Jalapeño PeppersFrost Feb 26-Mar 13
Moon Feb 26-Mar 7
Frost May 15-29
Moon May 19-29
N/A
KaleFrost Mar 13-27
Moon Mar 21-27
Frost Apr 10-May 1
Moon Apr 19-May 1
N/A
KohlrabiFrost Mar 27-Apr 10
Moon Mar 27-Apr 5
Frost Apr 17-24
Moon Apr 19-24
N/A
LettuceFrost Mar 27-Apr 10
Moon Mar 27-Apr 5
Frost Apr 24-May 22
Moon Apr 24-May 5, May 19-22
N/A
OkraN/AN/AFrost May 22-Jun 5
Moon May 22-Jun 3
OnionsN/AN/AFrost Apr 10-May 1
Moon Apr 10-18
OreganoFrost Feb 26-Mar 27
Moon Feb 26-Mar 7, Mar 21-27
Frost May 8-29
Moon May 19-29
N/A
ParsleyN/AN/AFrost Apr 10-24
Moon Apr 19-24
ParsnipsN/AN/AFrost Apr 17-May 8
Moon Apr 17-18, May 6- 8
PeasN/AN/AFrost Mar 27-Apr 17
Moon Mar 27-Apr 5
PotatoesN/AN/AFrost May 1-22
Moon May 6-18
PumpkinsFrost Apr 17-May 1
Moon Apr 19-May 1
Frost May 22-Jun 5
Moon May 22-Jun 3
N/A
RadishesN/AN/AFrost Mar 13-Apr 3
Moon Mar 13-20
RosemaryFrost Feb 26-Mar 13
Moon Feb 26-Mar 7
Frost May 15-Jun 5
Moon May 19-Jun 3
N/A
SageFrost Mar 13-27
Moon Mar 21-27
Frost May 8-22
Moon May 19-22
N/A
SpinachN/AN/AFrost Mar 27-Apr 17
Moon Mar 27-Apr 5
Sweet PotatoesN/AN/AFrost May 29-Jun 12
Moon Jun 4-12
Swiss ChardFrost Mar 27-Apr 10
Moon Mar 27-Apr 5
Frost Apr 17-24
Moon Apr 19-24
N/A
ThymeFrost Feb 26-Mar 27
Moon Feb 26-Mar 7, Mar 21-27
Frost May 8-29
Moon May 19-29
N/A
TomatoesFrost Mar 13-27
Moon Mar 21-27
Frost May 15-Jun 5
Moon May 19-Jun 3
N/A
TurnipsN/AN/AFrost Apr 10-May 1
Moon Apr 10-18
WatermelonsFrost Apr 10-17
Frost May 22-Jun 5
Moon May 22-Jun 3
N/A
Winter SquashN/AN/AFrost May 22-Jun 19
Moon May 22-Jun 3, Jun 17-19
ZucchiniN/AN/AFrost May 22-Jun 19
Moon May 22-Jun 3, Jun 17-19

Planting Dates for Fall

On average, your first fall frost occurs on September 26 (at GLASGOW #2, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 22
BeetsN/AN/AFrost Aug 12
Bell PeppersFrost Apr 13Frost Jun 8N/A
BroccoliFrost Jun 15Frost Jul 13N/A
CabbageFrost Jun 5Frost Jul 3N/A
CantaloupesN/AN/AFrost June 5
CarrotsN/AN/AFrost Aug 7
CauliflowerFrost Jun 15Frost Jul 13N/A
CeleryFrost Apr 4Frost Jun 13N/A
CornN/AN/AFrost Jun 18
CucumbersN/AN/AFrost Jun 23
EggplantsFrost Apr 13Frost Jun 8N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 28
Green BeansN/AN/AFrost Jun 23
Jalapeño PeppersFrost May 3Frost Jun 28N/A
KaleFrost Jul 5Frost Aug 2N/A
KohlrabiN/AN/AFrost Aug 7
LettuceN/AN/AFrost Aug 17
OkraN/AN/AFrost Jun 18
ParsnipsN/AN/AFrost Jun 23
PeasN/AN/AFrost Jul 23
PotatoesN/AN/AFrost Jul 13
PumpkinsN/AN/AFrost June 5
RadishesN/AN/AFrost Aug 22
SpinachN/AN/AFrost Sep 1
Sweet PotatoesFrost Apr 24Frost June 12N/A
Swiss ChardN/AN/AFrost Aug 17
TomatoesFrost Apr 18Frost Jun 13N/A
TurnipsN/AN/AFrost Aug 17
WatermelonsN/AN/AFrost June 5
Winter SquashN/AN/AFrost June 19
ZucchiniN/AN/AFrost Jun 28