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

Planting Calendar for Rialto, CA

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 December 26 (at RIVERSIDE CITRUS EXP, CA climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Nov 21
BeetsN/AN/AFrost Nov 11
Bell PeppersFrost Jul 13Frost Sep 7N/A
BroccoliFrost Sep 14Frost Oct 12N/A
CabbageFrost Sep 4Frost Oct 2N/A
CantaloupesN/AN/AFrost Aug 28
CarrotsN/AN/AFrost Nov 6
CauliflowerFrost Sep 14Frost Oct 12N/A
CeleryFrost Jul 4Frost Sep 12N/A
CornN/AN/AFrost Sep 17
CucumbersN/AN/AFrost Sep 22
EggplantsFrost Jul 13Frost Sep 7N/A
Green BeansN/AN/AFrost Sep 22
Jalapeño PeppersFrost Aug 2Frost Sep 27N/A
KaleFrost Oct 4Frost Nov 1N/A
KohlrabiN/AN/AFrost Nov 6
LettuceN/AN/AFrost Nov 16
OkraN/AN/AFrost Sep 17
ParsnipsN/AN/AFrost Sep 22
PeasN/AN/AFrost Oct 22
PotatoesN/AN/AFrost Oct 12
PumpkinsN/AN/AFrost Aug 8
RadishesN/AN/AFrost Nov 21
SpinachN/AN/AFrost Dec 1
Sweet PotatoesFrost Jul 24Frost Aug 28N/A
Swiss ChardN/AN/AFrost Nov 16
TomatoesFrost Jul 18Frost Sep 12N/A
TurnipsN/AN/AFrost Nov 16
WatermelonsN/AN/AFrost Aug 28
Winter SquashN/AN/AFrost Sep 12
ZucchiniN/AN/AFrost Sep 27

Planting Dates for Spring

On average, your last spring frost occurs on March 1 (at RIVERSIDE CITRUS EXP, CA climate station, elevation 987 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Feb 15-Mar 1
Moon Feb 15-16
BasilFrost Jan 4-18
Moon Jan 4-17
Frost Mar 1-22
Moon Mar 2-18
N/A
BeetsN/AN/AFrost Feb 15-Mar 8
Moon Feb 17-Mar 1
Bell PeppersFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-22
Moon Mar 8-18
N/A
BroccoliFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-22
Moon Feb 1-16
N/A
CabbageFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-15
Moon Feb 1-15
N/A
CantaloupesFrost Feb 1- 8
Moon Feb 1- 8
Frost Mar 15-29
Moon Mar 15-18
N/A
CarrotsN/AN/AFrost Jan 25-Feb 8
Moon Jan 25-31
CauliflowerFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-22
Moon Feb 1-16
N/A
CeleryFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-22
Moon Mar 8-18
N/A
ChivesN/AN/AFrost Feb 1- 8
Moon Feb 1- 8
Cilantro (Coriander)N/AN/AFrost Mar 1-15
Moon Mar 2-15
CornN/AN/AFrost Mar 15-Apr 5
Moon Mar 15-18, Apr 1- 5
CucumbersFrost Feb 1- 8
Moon Feb 1- 8
Frost Mar 15-29
Moon Mar 15-18
N/A
DillN/AN/AFrost Mar 1-Apr 5
Moon Mar 2-18
EggplantsFrost Jan 4-18
Moon Jan 4-17
Frost Mar 15-29
Moon Mar 15-18
N/A
Green BeansN/AN/AFrost Mar 8-29
Moon Mar 8-18
Jalapeño PeppersFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-22
Moon Mar 8-18
N/A
KaleFrost Jan 4-18
Moon Jan 4-17
Frost Feb 1-22
Moon Feb 1-16
N/A
KohlrabiFrost Jan 18-Feb 1
Moon Feb 1
Frost Feb 8-15
Moon Feb 8-15
N/A
LettuceFrost Jan 18-Feb 1
Moon Feb 1
Frost Feb 15-Mar 15
Moon Feb 15-16, Mar 2-15
N/A
OkraN/AN/AFrost Mar 15-29
Moon Mar 15-18
OnionsN/AN/AFrost Feb 1-22
Moon Feb 17-22
OreganoFrost Dec 21-Jan 18
Moon Jan 2-17
Frost Mar 1-22
Moon Mar 2-18
N/A
ParsleyN/AN/AFrost Feb 1-15
Moon Feb 1-15
ParsnipsN/AN/AFrost Feb 8-Mar 1
Moon Feb 17-Mar 1
PeasN/AN/AFrost Jan 18-Feb 8
Moon Feb 1- 8
PotatoesN/AN/AFrost Feb 22-Mar 15
Moon Feb 22-Mar 1
PumpkinsFrost Feb 8-22
Moon Feb 8-16
Frost Mar 15-29
Moon Mar 15-18
N/A
RadishesN/AN/AFrost Jan 4-25
Moon Jan 18-25
RosemaryFrost Dec 21-Jan 4
Moon Jan 2- 4
Frost Mar 8-29
Moon Mar 8-18
N/A
SageFrost Jan 4-18
Moon Jan 4-17
Frost Mar 1-15
Moon Mar 2-15
N/A
SpinachN/AN/AFrost Jan 18-Feb 8
Moon Feb 1- 8
Sweet PotatoesN/AN/AFrost Mar 22-Apr 5
Moon Mar 22-31
Swiss ChardFrost Jan 18-Feb 1
Moon Feb 1
Frost Feb 8-15
Moon Feb 8-15
N/A
ThymeFrost Dec 21-Jan 18
Moon Jan 2-17
Frost Mar 1-22
Moon Mar 2-18
N/A
TomatoesFrost Jan 4-18
Moon Jan 4-17
Frost Mar 8-29
Moon Mar 8-18
N/A
TurnipsN/AN/AFrost Feb 1-22
Moon Feb 17-22
WatermelonsFrost Feb 1- 8
Moon Feb 1- 8
Frost Mar 15-29
Moon Mar 15-18
N/A
Winter SquashN/AN/AFrost Mar 15-Apr 12
Moon Mar 15-18, Apr 1-12
ZucchiniN/AN/AFrost Mar 15-Apr 12
Moon Mar 15-18, Apr 1-12