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

Planting Calendar for Petrolia, 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.

Print Friendly and PDF

Planting Dates for Spring

On average, your last spring frost occurs on May 11 (at PETROLIA TOWN, ON climate station, elevation 659 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 October 6 (at PETROLIA TOWN, ON climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 1
BeetsN/AN/AFrost Aug 22
Bell PeppersFrost Apr 23Frost Jun 18N/A
BroccoliFrost Jun 25Frost Jul 23N/A
CabbageFrost Jun 15Frost Jul 13N/A
CantaloupesN/AN/AFrost Jun 8
CarrotsN/AN/AFrost Aug 17
CauliflowerFrost Jun 25Frost Jul 23N/A
CeleryFrost Apr 14Frost Jun 23N/A
CornN/AN/AFrost Jun 28
CucumbersN/AN/AFrost Jul 3
EggplantsFrost Apr 23Frost Jun 18N/A
Fava Beans (Broad Beans)N/AN/AFrost Aug 7
Green BeansN/AN/AFrost Jul 3
Jalapeño PeppersFrost May 13Frost Jul 8N/A
KaleFrost Jul 15Frost Aug 12N/A
KohlrabiN/AN/AFrost Aug 17
LettuceN/AN/AFrost Aug 27
OkraN/AN/AFrost Jun 28
ParsnipsN/AN/AFrost Jul 3
PeasN/AN/AFrost Aug 2
PotatoesN/AN/AFrost Jul 23
PumpkinsN/AN/AFrost June 8
RadishesN/AN/AFrost Sep 1
SpinachN/AN/AFrost Sep 11
Sweet PotatoesFrost May 4Frost June 15N/A
Swiss ChardN/AN/AFrost Aug 27
TomatoesFrost Apr 28Frost Jun 23N/A
TurnipsN/AN/AFrost Aug 27
WatermelonsN/AN/AFrost Jun 8
Winter SquashN/AN/AFrost Jun 23
ZucchiniN/AN/AFrost Jul 8