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

Planting Calendar for Thompson Falls, 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 11 (at THOMPSON FALLS PH, MT climate station, elevation 2378 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 27-May 11
Moon Apr 27-May 5
BasilFrost Mar 16-30
Moon Mar 21-30
Frost May 11-Jun 1
Moon May 19-Jun 1
N/A
BeetsN/AN/AFrost Apr 27-May 18
Moon May 6-18
Bell PeppersFrost Mar 1-16
Moon Mar 1- 7
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
BroccoliFrost Mar 16-30
Moon Mar 21-30
Frost Apr 13-May 4
Moon Apr 19-May 4
N/A
CabbageFrost Mar 16-30
Moon Mar 21-30
Frost Apr 13-27
Moon Apr 19-27
N/A
CantaloupesFrost Apr 13-20
Moon Apr 19-20
Frost May 25-Jun 8
Moon May 25-Jun 3
N/A
CarrotsN/AN/AFrost Apr 6-20
Moon Apr 6-18
CauliflowerFrost Mar 16-30
Moon Mar 21-30
Frost Apr 13-May 4
Moon Apr 19-May 4
N/A
CeleryFrost Mar 1-16
Moon Mar 1- 7
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
ChivesN/AN/AFrost Apr 13-20
Moon Apr 19-20
Cilantro (Coriander)N/AN/AFrost May 11-25
Moon May 19-25
CornN/AN/AFrost May 25-Jun 15
Moon May 25-Jun 3
CucumbersFrost Apr 13-20
Moon Apr 19-20
Frost May 25-Jun 8
Moon May 25-Jun 3
N/A
DillN/AN/AFrost May 11-Jun 15
Moon May 19-Jun 3
EggplantsFrost Mar 16-30
Moon Mar 21-30
Frost May 25-Jun 8
Moon May 25-Jun 3
N/A
Fava Beans (Broad Beans)Frost Feb 15-Mar 1
Moon Feb 20-Mar 1
Frost Mar 23-Apr 13
Moon Mar 23-Apr 5
N/A
Green BeansN/AN/AFrost May 18-Jun 8
Moon May 19-Jun 3
Jalapeño PeppersFrost Mar 1-16
Moon Mar 1- 7
Frost May 18-Jun 1
Moon May 19-Jun 1
N/A
KaleFrost Mar 16-30
Moon Mar 21-30
Frost Apr 13-May 4
Moon Apr 19-May 4
N/A
KohlrabiFrost Mar 30-Apr 13
Moon Mar 30-Apr 5
Frost Apr 20-27
Moon Apr 20-27
N/A
LettuceFrost Mar 30-Apr 13
Moon Mar 30-Apr 5
Frost Apr 27-May 25
Moon Apr 27-May 5, May 19-25
N/A
OkraN/AN/AFrost May 25-Jun 8
Moon May 25-Jun 3
OnionsN/AN/AFrost Apr 13-May 4
Moon Apr 13-18
OreganoFrost Mar 1-30
Moon Mar 1- 7, Mar 21-30
Frost May 11-Jun 1
Moon May 19-Jun 1
N/A
ParsleyN/AN/AFrost Apr 13-27
Moon Apr 19-27
ParsnipsN/AN/AFrost Apr 20-May 11
Moon May 6-11
PeasN/AN/AFrost Mar 30-Apr 20
Moon Mar 30-Apr 5, Apr 19-20
PotatoesN/AN/AFrost May 4-25
Moon May 6-18
PumpkinsFrost Apr 20-May 4
Moon Apr 20-May 4
Frost May 25-Jun 8
Moon May 25-Jun 3
N/A
RadishesN/AN/AFrost Mar 16-Apr 6
Moon Mar 16-20, Apr 6
RosemaryFrost Mar 1-16
Moon Mar 1- 7
Frost May 18-Jun 8
Moon May 19-Jun 3
N/A
SageFrost Mar 16-30
Moon Mar 21-30
Frost May 11-25
Moon May 19-25
N/A
SpinachN/AN/AFrost Mar 30-Apr 20
Moon Mar 30-Apr 5, Apr 19-20
Sweet PotatoesN/AN/AFrost Jun 1-15
Moon Jun 4-15
Swiss ChardFrost Mar 30-Apr 13
Moon Mar 30-Apr 5
Frost Apr 20-27
Moon Apr 20-27
N/A
ThymeFrost Mar 1-30
Moon Mar 1- 7, Mar 21-30
Frost May 11-Jun 1
Moon May 19-Jun 1
N/A
TomatoesFrost Mar 16-30
Moon Mar 21-30
Frost May 18-Jun 8
Moon May 19-Jun 3
N/A
TurnipsN/AN/AFrost Apr 13-May 4
Moon Apr 13-18
WatermelonsFrost Apr 13-20
Moon Apr 19-20
Frost May 25-Jun 8
Moon May 25-Jun 3
N/A
Winter SquashN/AN/AFrost May 25-Jun 22
Moon May 25-Jun 3, Jun 17-22
ZucchiniN/AN/AFrost May 25-Jun 22
Moon May 25-Jun 3, Jun 17-22

Planting Dates for Fall

On average, your first fall frost occurs on September 29 (at THOMPSON FALLS PH, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 25
BeetsN/AN/AFrost Aug 15
Bell PeppersFrost Apr 16Frost Jun 11N/A
BroccoliFrost Jun 18Frost Jul 16N/A
CabbageFrost Jun 8Frost Jul 6N/A
CantaloupesN/AN/AFrost June 8
CarrotsN/AN/AFrost Aug 10
CauliflowerFrost Jun 18Frost Jul 16N/A
CeleryFrost Apr 7Frost Jun 16N/A
CornN/AN/AFrost Jun 21
CucumbersN/AN/AFrost Jun 26
EggplantsFrost Apr 16Frost Jun 11N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 31
Green BeansN/AN/AFrost Jun 26
Jalapeño PeppersFrost May 6Frost Jul 1N/A
KaleFrost Jul 8Frost Aug 5N/A
KohlrabiN/AN/AFrost Aug 10
LettuceN/AN/AFrost Aug 20
OkraN/AN/AFrost Jun 21
ParsnipsN/AN/AFrost Jun 26
PeasN/AN/AFrost Jul 26
PotatoesN/AN/AFrost Jul 16
PumpkinsN/AN/AFrost June 8
RadishesN/AN/AFrost Aug 25
SpinachN/AN/AFrost Sep 4
Sweet PotatoesFrost Apr 27Frost June 15N/A
Swiss ChardN/AN/AFrost Aug 20
TomatoesFrost Apr 21Frost Jun 16N/A
TurnipsN/AN/AFrost Aug 20
WatermelonsN/AN/AFrost June 8
Winter SquashN/AN/AFrost June 22
ZucchiniN/AN/AFrost Jul 1