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

Planting Calendar for Sarnia, ON

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 April 25 (at PORT HURON, MI climate station, elevation 590 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Apr 11-25
Moon Apr 19-25
BasilFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 25-May 16
Moon Apr 25-May 5
N/A
BeetsN/AN/AFrost Apr 11-May 2
Moon Apr 11-18
Bell PeppersFrost Feb 13-27
Moon Feb 20-27
Frost May 2-16
Moon May 2- 5
N/A
BroccoliFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Mar 28-Apr 18
Moon Mar 28-Apr 5
N/A
CabbageFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Mar 28-Apr 11
Moon Mar 28-Apr 5
N/A
CantaloupesFrost Mar 28-Apr 4
Moon Mar 28-Apr 4
Frost May 9-23
Moon May 19-23
N/A
CarrotsN/AN/AFrost Mar 21-Apr 4
CauliflowerFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Mar 28-Apr 18
Moon Mar 28-Apr 5
N/A
CeleryFrost Feb 13-27
Moon Feb 20-27
Frost May 2-16
Moon May 2- 5
N/A
ChivesN/AN/AFrost Mar 28-Apr 4
Moon Mar 28-Apr 4
Cilantro (Coriander)N/AN/AFrost Apr 25-May 9
Moon Apr 25-May 5
CornN/AN/AFrost May 9-30
Moon May 19-30
CucumbersFrost Mar 28-Apr 4
Moon Mar 28-Apr 4
Frost May 9-23
Moon May 19-23
N/A
DillN/AN/AFrost Apr 25-May 30
Moon Apr 25-May 5, May 19-30
EggplantsFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost May 9-23
Moon May 19-23
N/A
Fava Beans (Broad Beans)Frost Jan 30-Feb 13
Moon Jan 30-Feb 5
Frost Mar 6-28
Moon Mar 6- 7, Mar 22-28
N/A
Green BeansN/AN/AFrost May 2-23
Moon May 2- 5, May 19-23
Jalapeño PeppersFrost Feb 13-27
Moon Feb 20-27
Frost May 2-16
Moon May 2- 5
N/A
KaleFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Mar 28-Apr 18
Moon Mar 28-Apr 5
N/A
KohlrabiFrost Mar 14-28
Moon Mar 21-28
Frost Apr 4-11
Moon Apr 4- 5
N/A
LettuceFrost Mar 14-28
Moon Mar 21-28
Frost Apr 11-May 9
Moon Apr 19-May 5
N/A
OkraN/AN/AFrost May 9-23
Moon May 19-23
OnionsN/AN/AFrost Mar 28-Apr 18
Moon Apr 6-18
OreganoFrost Feb 13-Mar 14
Moon Feb 20-Mar 7
Frost Apr 25-May 16
Moon Apr 25-May 5
N/A
ParsleyN/AN/AFrost Mar 28-Apr 11
Moon Mar 28-Apr 5
ParsnipsN/AN/AFrost Apr 4-25
Moon Apr 6-18
PeasN/AN/AFrost Mar 14-Apr 4
Moon Mar 21-Apr 4
PotatoesN/AN/AFrost Apr 18-May 9
Moon Apr 18, May 6- 9
PumpkinsFrost Apr 4-18
Moon Apr 4- 5
Frost May 9-23
Moon May 19-23
N/A
RadishesN/AN/AFrost Feb 27-Mar 21
Moon Mar 8-20
RosemaryFrost Feb 13-27
Moon Feb 20-27
Frost May 2-23
Moon May 2- 5, May 19-23
N/A
SageFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 25-May 9
Moon Apr 25-May 5
N/A
SpinachN/AN/AFrost Mar 14-Apr 4
Moon Mar 21-Apr 4
Sweet PotatoesN/AN/AFrost May 16-30
Moon May 16-18
Swiss ChardFrost Mar 14-28
Moon Mar 21-28
Frost Apr 4-11
Moon Apr 4- 5
N/A
ThymeFrost Feb 13-Mar 14
Moon Feb 20-Mar 7
Frost Apr 25-May 16
Moon Apr 25-May 5
N/A
TomatoesFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost May 2-23
Moon May 2- 5, May 19-23
N/A
TurnipsN/AN/AFrost Mar 28-Apr 18
Moon Apr 6-18
WatermelonsFrost Mar 28-Apr 4
Moon Mar 28-Apr 4
Frost May 9-23
Moon May 19-23
N/A
Winter SquashN/AN/AFrost May 9-Jun 6
Moon May 19-Jun 3
ZucchiniN/AN/AFrost May 9-Jun 6
Moon May 19-Jun 3

Planting Dates for Fall

On average, your first fall frost occurs on October 30 (at PORT HURON, MI climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 25
BeetsN/AN/AFrost Sep 15
Bell PeppersFrost May 17Frost Jul 12N/A
BroccoliFrost Jul 19Frost Aug 16N/A
CabbageFrost Jul 9Frost Aug 6N/A
CantaloupesN/AN/AFrost Jul 2
CarrotsN/AN/AFrost Sep 10
CauliflowerFrost Jul 19Frost Aug 16N/A
CeleryFrost May 8Frost Jul 17N/A
CornN/AN/AFrost Jul 22
CucumbersN/AN/AFrost Jul 27
EggplantsFrost May 17Frost Jul 12N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 31
Green BeansN/AN/AFrost Jul 27
Jalapeño PeppersFrost Jun 6Frost Aug 1N/A
KaleFrost Aug 8Frost Sep 5N/A
KohlrabiN/AN/AFrost Sep 10
LettuceN/AN/AFrost Sep 20
OkraN/AN/AFrost Jul 22
ParsnipsN/AN/AFrost Jul 27
PeasN/AN/AFrost Aug 26
PotatoesN/AN/AFrost Aug 16
PumpkinsN/AN/AFrost Jun 12
RadishesN/AN/AFrost Sep 25
SpinachN/AN/AFrost Oct 5
Sweet PotatoesFrost May 28Frost Jul 2N/A
Swiss ChardN/AN/AFrost Sep 20
TomatoesFrost May 22Frost Jul 17N/A
TurnipsN/AN/AFrost Sep 20
WatermelonsN/AN/AFrost Jul 2
Winter SquashN/AN/AFrost Jul 17
ZucchiniN/AN/AFrost Aug 1