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2023 Planting Calendar: When to Start Vegetable Seeds | The Old Farmer's Almanac

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Planting Calendar for Rocky Mountain House, AB

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 3 (at HORBURG, AB climate station, elevation 3398 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost May 20-Jun 3
Moon May 20-Jun 3
BasilFrost Apr 8-22
Moon Apr 19-22
Frost Jun 3-24
Moon Jun 3, Jun 18-24
N/A
BeetsN/AN/AFrost May 20-Jun 10
Moon Jun 4-10
Bell PeppersFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 10-24
Moon Jun 17-24
N/A
Bok ChoyFrost Apr 22-May 6
Moon Apr 22-May 5
Frost Jun 10-24
Moon Jun 17-24
N/A
BroccoliFrost Apr 8-22
Moon Apr 19-22
Frost May 6-27
Moon May 19-27
N/A
CabbageFrost Apr 8-22
Moon Apr 19-22
Frost May 6-20
Moon May 19-20
N/A
CantaloupesFrost May 6-13
Frost Jun 17-Jul 1
Moon Jun 17-Jul 1
N/A
CarrotsN/AN/AFrost Apr 29-May 13
Moon May 6-13
CauliflowerFrost Apr 8-22
Moon Apr 19-22
Frost May 6-27
Moon May 19-27
N/A
CeleryFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 10-24
Moon Jun 17-24
N/A
ChivesN/AN/AFrost May 6-13
Cilantro (Coriander)N/AN/AFrost Jun 3-17
Moon Jun 3
CollardsN/AN/AFrost May 6-20
Moon May 19-20
CornN/AN/AFrost Jun 17-Jul 8
Moon Jun 17-Jul 3
CucumbersFrost May 6-13
Frost Jun 17-Jul 1
Moon Jun 17-Jul 1
N/A
DillN/AN/AFrost Jun 3-Jul 8
Moon Jun 3, Jun 18-Jul 3
EggplantsFrost Apr 8-22
Moon Apr 19-22
Frost Jun 17-Jul 1
Moon Jun 17-Jul 1
N/A
Fava Beans (Broad Beans)Frost Mar 10-25
Moon Mar 21-25
Frost Apr 15-May 6
Moon Apr 19-May 5
N/A
Green BeansN/AN/AFrost Jun 10-Jul 1
Moon Jun 17-Jul 1
Jalapeño PeppersFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 10-24
Moon Jun 17-24
N/A
KaleFrost Apr 8-22
Moon Apr 19-22
Frost May 6-27
Moon May 19-27
N/A
KohlrabiFrost Apr 22-May 6
Moon Apr 22-May 5
Frost May 13-20
Moon May 19-20
N/A
LettuceFrost Apr 22-May 6
Moon Apr 22-May 5
Frost May 20-Jun 17
Moon May 20-Jun 3, Jun 17
N/A
OkraN/AN/AFrost Jun 17-Jul 1
Moon Jun 17-Jul 1
OnionsN/AN/AFrost May 6-27
Moon May 6-18
OreganoFrost Mar 25-Apr 22
Moon Mar 25-Apr 5, Apr 19-22
Frost Jun 3-24
Moon Jun 3, Jun 18-24
N/A
ParsleyN/AN/AFrost May 6-20
Moon May 19-20
ParsnipsN/AN/AFrost May 13-Jun 3
Moon May 13-18
PeasN/AN/AFrost Apr 22-May 13
Moon Apr 22-May 5
PotatoesN/AN/AFrost May 6-20
Moon May 6-18
PumpkinsFrost May 13-27
Moon May 19-27
Frost Jun 17-Jul 1
Moon Jun 17-Jul 1
N/A
RadishesN/AN/AFrost Apr 8-29
Moon Apr 8-18
RosemaryFrost Mar 25-Apr 8
Moon Mar 25-Apr 5
Frost Jun 10-Jul 1
Moon Jun 17-Jul 1
N/A
SageFrost Apr 8-22
Moon Apr 19-22
Frost Jun 3-17
Moon Jun 3
N/A
SpinachN/AN/AFrost Apr 22-May 13
Moon Apr 22-May 5
Sweet PotatoesN/AN/AFrost Jun 24-Jul 8
Moon Jul 4- 8
Swiss ChardFrost Apr 22-May 6
Moon Apr 22-May 5
Frost May 13-20
Moon May 19-20
N/A
ThymeFrost Mar 25-Apr 22
Moon Mar 25-Apr 5, Apr 19-22
Frost Jun 3-24
Moon Jun 3, Jun 18-24
N/A
TomatillosFrost Apr 8-22
Moon Apr 19-22
Frost Jun 24-Jul 8
Moon Jun 24-Jul 3
N/A
TomatoesFrost Apr 8-22
Moon Apr 19-22
Frost Jun 10-Jul 1
Moon Jun 17-Jul 1
N/A
TurnipsN/AN/AFrost May 6-27
Moon May 6-18
WatermelonsFrost May 6-13
Frost Jun 17-Jul 1
Moon Jun 17-Jul 1
N/A
Winter SquashN/AN/AFrost Jun 17-Jul 15
Moon Jun 17-Jul 3
Zucchini and Summer SquashN/AN/AFrost Jun 17-Jul 15
Moon Jun 17-Jul 3

Planting Dates for Fall

On average, your first fall frost occurs on September 11 (at HORBURG, AB climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Aug 7
BeetsN/AN/AFrost Jul 28
Bell PeppersFrost Mar 29Frost June 24N/A
Bok ChoyN/AN/AFrost Aug 2
BroccoliFrost May 31Frost Jun 28N/A
CabbageFrost May 21Frost Jun 18N/A
CantaloupesN/AN/AFrost July 1
CarrotsN/AN/AFrost Jul 23
CauliflowerFrost May 31Frost Jun 28N/A
CeleryFrost Mar 20Frost June 24N/A
CollardsN/AN/AFrost Jul 13
CornN/AN/AFrost July 8
CucumbersN/AN/AFrost July 1
EggplantsFrost Mar 29Frost July 1N/A
Fava Beans (Broad Beans)N/AN/AFrost Jul 13
Green BeansN/AN/AFrost July 1
Jalapeño PeppersFrost Apr 18Frost June 24N/A
KaleFrost Jun 20Frost Jul 18N/A
KohlrabiN/AN/AFrost Jul 23
LettuceN/AN/AFrost Aug 2
OkraN/AN/AFrost July 1
ParsnipsN/AN/AFrost Jun 8
PeasN/AN/AFrost Jul 8
PotatoesN/AN/AFrost May 24
PumpkinsN/AN/AFrost July 1
RadishesN/AN/AFrost Aug 7
SpinachN/AN/AFrost Aug 17
Sweet PotatoesFrost Apr 9Frost July 8N/A
Swiss ChardN/AN/AFrost Aug 2
TomatillosN/AN/AFrost July 8
TomatoesFrost Apr 3Frost July 1N/A
TurnipsN/AN/AFrost Aug 2
WatermelonsN/AN/AFrost July 1
Winter SquashN/AN/AFrost July 15
Zucchini and Summer SquashN/AN/AFrost July 15
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