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

Planting Calendar for Troy, 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.

Print Friendly and PDF

Planting Dates for Spring

On average, your last spring frost occurs on May 21 (at TROY, MT climate station, elevation 1929 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 7-21
Moon May 19-21
BasilFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost May 21-Jun 11
Moon May 21-Jun 3
N/A
BeetsN/AN/AFrost May 7-28
Moon May 7-18
Bell PeppersFrost Mar 11-26
Moon Mar 21-26
Frost May 28-Jun 11
Moon May 28-Jun 3
N/A
BroccoliFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost Apr 23-May 14
Moon Apr 23-May 5
N/A
CabbageFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost Apr 23-May 7
Moon Apr 23-May 5
N/A
CantaloupesFrost Apr 23-30
Moon Apr 23-30
Frost Jun 4-18
Moon Jun 17-18
N/A
CarrotsN/AN/AFrost Apr 16-30
Moon Apr 16-18
CauliflowerFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost Apr 23-May 14
Moon Apr 23-May 5
N/A
CeleryFrost Mar 11-26
Moon Mar 21-26
Frost May 28-Jun 11
Moon May 28-Jun 3
N/A
ChivesN/AN/AFrost Apr 23-30
Moon Apr 23-30
Cilantro (Coriander)N/AN/AFrost May 21-Jun 4
Moon May 21-Jun 3
CornN/AN/AFrost Jun 4-25
Moon Jun 17-25
CucumbersFrost Apr 23-30
Moon Apr 23-30
Frost Jun 4-18
Moon Jun 17-18
N/A
DillN/AN/AFrost May 21-Jun 25
Moon May 21-Jun 3, Jun 17-25
EggplantsFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost Jun 4-18
Moon Jun 17-18
N/A
Fava Beans (Broad Beans)Frost Feb 25-Mar 11
Moon Feb 25-Mar 7
Frost Apr 2-23
Moon Apr 2- 5, Apr 19-23
N/A
Green BeansN/AN/AFrost May 28-Jun 18
Moon May 28-Jun 3, Jun 17-18
Jalapeño PeppersFrost Mar 11-26
Moon Mar 21-26
Frost May 28-Jun 11
Moon May 28-Jun 3
N/A
KaleFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost Apr 23-May 14
Moon Apr 23-May 5
N/A
KohlrabiFrost Apr 9-23
Moon Apr 19-23
Frost Apr 30-May 7
Moon Apr 30-May 5
N/A
LettuceFrost Apr 9-23
Moon Apr 19-23
Frost May 7-Jun 4
Moon May 19-Jun 3
N/A
OkraN/AN/AFrost Jun 4-18
Moon Jun 17-18
OnionsN/AN/AFrost Apr 23-May 14
Moon May 6-14
OreganoFrost Mar 11-Apr 9
Moon Mar 21-Apr 5
Frost May 21-Jun 11
Moon May 21-Jun 3
N/A
ParsleyN/AN/AFrost Apr 23-May 7
Moon Apr 23-May 5
ParsnipsN/AN/AFrost Apr 30-May 21
Moon May 6-18
PeasN/AN/AFrost Apr 9-30
Moon Apr 19-30
PotatoesN/AN/AFrost May 14-Jun 4
Moon May 14-18, Jun 4
PumpkinsFrost Apr 30-May 14
Moon Apr 30-May 5
Frost Jun 4-18
Moon Jun 17-18
N/A
RadishesN/AN/AFrost Mar 26-Apr 16
Moon Apr 6-16
RosemaryFrost Mar 11-26
Moon Mar 21-26
Frost May 28-Jun 18
Moon May 28-Jun 3, Jun 17-18
N/A
SageFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost May 21-Jun 4
Moon May 21-Jun 3
N/A
SpinachN/AN/AFrost Apr 9-30
Moon Apr 19-30
Sweet PotatoesN/AN/AFrost Jun 11-25
Moon Jun 11-16
Swiss ChardFrost Apr 9-23
Moon Apr 19-23
Frost Apr 30-May 7
Moon Apr 30-May 5
N/A
ThymeFrost Mar 11-Apr 9
Moon Mar 21-Apr 5
Frost May 21-Jun 11
Moon May 21-Jun 3
N/A
TomatoesFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
Frost May 28-Jun 18
Moon May 28-Jun 3, Jun 17-18
N/A
TurnipsN/AN/AFrost Apr 23-May 14
Moon May 6-14
WatermelonsFrost Apr 23-30
Moon Apr 23-30
Frost Jun 4-18
Moon Jun 17-18
N/A
Winter SquashN/AN/AFrost Jun 4-Jul 2
Moon Jun 17-Jul 2
ZucchiniN/AN/AFrost Jun 4-Jul 2
Moon Jun 17-Jul 2

Planting Dates for Fall

On average, your first fall frost occurs on September 18 (at TROY, MT climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 14
BeetsN/AN/AFrost Aug 4
Bell PeppersFrost Apr 5Frost June 11N/A
BroccoliFrost Jun 7Frost Jul 5N/A
CabbageFrost May 28Frost Jun 25N/A
CantaloupesN/AN/AFrost June 18
CarrotsN/AN/AFrost Jul 30
CauliflowerFrost Jun 7Frost Jul 5N/A
CeleryFrost Mar 27Frost June 11N/A
CornN/AN/AFrost June 25
CucumbersN/AN/AFrost June 18
EggplantsFrost Apr 5Frost June 18N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 20
Green BeansN/AN/AFrost June 18
Jalapeño PeppersFrost Apr 25Frost Jun 20N/A
KaleFrost Jun 27Frost Jul 25N/A
KohlrabiN/AN/AFrost Jul 30
LettuceN/AN/AFrost Aug 9
OkraN/AN/AFrost June 18
ParsnipsN/AN/AFrost Jun 15
PeasN/AN/AFrost Jul 15
PotatoesN/AN/AFrost Jul 5
PumpkinsN/AN/AFrost June 18
RadishesN/AN/AFrost Aug 14
SpinachN/AN/AFrost Aug 24
Sweet PotatoesFrost Apr 16Frost June 25N/A
Swiss ChardN/AN/AFrost Aug 9
TomatoesFrost Apr 10Frost June 18N/A
TurnipsN/AN/AFrost Aug 9
WatermelonsN/AN/AFrost June 18
Winter SquashN/AN/AFrost July 2
ZucchiniN/AN/AFrost July 2