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

Planting Calendar for Alton, IL

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 Fall

On average, your first fall frost occurs on October 31 (at ALTON - MELVIN PRICE L&D, IL climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Sep 26
BeetsN/AN/AFrost Sep 16
Bell PeppersFrost May 18Frost Jul 13N/A
BroccoliFrost Jul 20Frost Aug 17N/A
CabbageFrost Jul 10Frost Aug 7N/A
CantaloupesN/AN/AFrost Jul 3
CarrotsN/AN/AFrost Sep 11
CauliflowerFrost Jul 20Frost Aug 17N/A
CeleryFrost May 9Frost Jul 18N/A
CornN/AN/AFrost Jul 23
CucumbersN/AN/AFrost Jul 28
EggplantsFrost May 18Frost Jul 13N/A
Fava Beans (Broad Beans)N/AN/AFrost Sep 1
Green BeansN/AN/AFrost Jul 28
Jalapeño PeppersFrost Jun 7Frost Aug 2N/A
KaleFrost Aug 9Frost Sep 6N/A
KohlrabiN/AN/AFrost Sep 11
LettuceN/AN/AFrost Sep 21
OkraN/AN/AFrost Jul 23
ParsnipsN/AN/AFrost Jul 28
PeasN/AN/AFrost Aug 27
PotatoesN/AN/AFrost Aug 17
PumpkinsN/AN/AFrost Jun 13
RadishesN/AN/AFrost Sep 26
SpinachN/AN/AFrost Oct 6
Sweet PotatoesFrost May 29Frost Jul 3N/A
Swiss ChardN/AN/AFrost Sep 21
TomatoesFrost May 23Frost Jul 18N/A
TurnipsN/AN/AFrost Sep 21
WatermelonsN/AN/AFrost Jul 3
Winter SquashN/AN/AFrost Jul 18
ZucchiniN/AN/AFrost Aug 2

Planting Dates for Spring

On average, your last spring frost occurs on April 9 (at ALTON - MELVIN PRICE L&D, IL climate station, elevation 403 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Mar 26-Apr 9
Moon Mar 26-Apr 5
BasilFrost Feb 11-25
Moon Feb 20-25
Frost Apr 9-30
Moon Apr 19-30
N/A
BeetsN/AN/AFrost Mar 26-Apr 16
Moon Apr 6-16
Bell PeppersFrost Jan 28-Feb 11
Moon Jan 28-Feb 5
Frost Apr 16-30
Moon Apr 19-30
N/A
BroccoliFrost Feb 11-25
Moon Feb 20-25
Frost Mar 11-Apr 2
Moon Mar 21-Apr 2
N/A
CabbageFrost Feb 11-25
Moon Feb 20-25
Frost Mar 11-26
Moon Mar 21-26
N/A
CantaloupesFrost Mar 11-19
Frost Apr 23-May 7
Moon Apr 23-May 5
N/A
CarrotsN/AN/AFrost Mar 4-19
Moon Mar 8-19
CauliflowerFrost Feb 11-25
Moon Feb 20-25
Frost Mar 11-Apr 2
Moon Mar 21-Apr 2
N/A
CeleryFrost Jan 28-Feb 11
Moon Jan 28-Feb 5
Frost Apr 16-30
Moon Apr 19-30
N/A
ChivesN/AN/AFrost Mar 11-19
Cilantro (Coriander)N/AN/AFrost Apr 9-23
Moon Apr 19-23
CornN/AN/AFrost Apr 23-May 14
Moon Apr 23-May 5
CucumbersFrost Mar 11-19
Frost Apr 23-May 7
Moon Apr 23-May 5
N/A
DillN/AN/AFrost Apr 9-May 14
Moon Apr 19-May 5
EggplantsFrost Feb 11-25
Moon Feb 20-25
Frost Apr 23-May 7
Moon Apr 23-May 5
N/A
Fava Beans (Broad Beans)Frost Jan 14-28
Moon Jan 21-28
Frost Feb 18-Mar 11
Moon Feb 20-Mar 7
N/A
Green BeansN/AN/AFrost Apr 16-May 7
Moon Apr 19-May 5
Jalapeño PeppersFrost Jan 28-Feb 11
Moon Jan 28-Feb 5
Frost Apr 16-30
Moon Apr 19-30
N/A
KaleFrost Feb 11-25
Moon Feb 20-25
Frost Mar 11-Apr 2
Moon Mar 21-Apr 2
N/A
KohlrabiFrost Feb 25-Mar 11
Moon Feb 25-Mar 7
Frost Mar 19-26
Moon Mar 21-26
N/A
LettuceFrost Feb 25-Mar 11
Moon Feb 25-Mar 7
Frost Mar 26-Apr 23
Moon Mar 26-Apr 5, Apr 19-23
N/A
OkraN/AN/AFrost Apr 23-May 7
Moon Apr 23-May 5
OnionsN/AN/AFrost Mar 11-Apr 2
Moon Mar 11-20
OreganoFrost Jan 28-Feb 25
Moon Jan 28-Feb 5, Feb 20-25
Frost Apr 9-30
Moon Apr 19-30
N/A
ParsleyN/AN/AFrost Mar 11-26
Moon Mar 21-26
ParsnipsN/AN/AFrost Mar 19-Apr 9
Moon Mar 19-20, Apr 6- 9
PeasN/AN/AFrost Feb 25-Mar 19
Moon Feb 25-Mar 7
PotatoesN/AN/AFrost Apr 2-23
Moon Apr 6-18
PumpkinsFrost Mar 19-Apr 2
Moon Mar 21-Apr 2
Frost Apr 23-May 7
Moon Apr 23-May 5
N/A
RadishesN/AN/AFrost Feb 11-Mar 4
Moon Feb 11-19
RosemaryFrost Jan 28-Feb 11
Moon Jan 28-Feb 5
Frost Apr 16-May 7
Moon Apr 19-May 5
N/A
SageFrost Feb 11-25
Moon Feb 20-25
Frost Apr 9-23
Moon Apr 19-23
N/A
SpinachN/AN/AFrost Feb 25-Mar 19
Moon Feb 25-Mar 7
Sweet PotatoesN/AN/AFrost Apr 30-May 14
Moon May 6-14
Swiss ChardFrost Feb 25-Mar 11
Moon Feb 25-Mar 7
Frost Mar 19-26
Moon Mar 21-26
N/A
ThymeFrost Jan 28-Feb 25
Moon Jan 28-Feb 5, Feb 20-25
Frost Apr 9-30
Moon Apr 19-30
N/A
TomatoesFrost Feb 11-25
Moon Feb 20-25
Frost Apr 16-May 7
Moon Apr 19-May 5
N/A
TurnipsN/AN/AFrost Mar 11-Apr 2
Moon Mar 11-20
WatermelonsFrost Mar 11-19
Frost Apr 23-May 7
Moon Apr 23-May 5
N/A
Winter SquashN/AN/AFrost Apr 23-May 21
Moon Apr 23-May 5, May 19-21
ZucchiniN/AN/AFrost Apr 23-May 21
Moon Apr 23-May 5, May 19-21