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

Planting Calendar for Walnut Creek, 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 11 (at CONCORD WWTP, CA climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Nov 6
BeetsN/AN/AFrost Oct 27
Bell PeppersFrost Jun 28Frost Aug 23N/A
BroccoliFrost Aug 30Frost Sep 27N/A
CabbageFrost Aug 20Frost Sep 17N/A
CantaloupesN/AN/AFrost Aug 13
CarrotsN/AN/AFrost Oct 22
CauliflowerFrost Aug 30Frost Sep 27N/A
CeleryFrost Jun 19Frost Aug 28N/A
CornN/AN/AFrost Sep 2
CucumbersN/AN/AFrost Sep 7
EggplantsFrost Jun 28Frost Aug 23N/A
Green BeansN/AN/AFrost Sep 7
Jalapeño PeppersFrost Jul 18Frost Sep 12N/A
KaleFrost Sep 19Frost Oct 17N/A
KohlrabiN/AN/AFrost Oct 22
LettuceN/AN/AFrost Nov 1
OkraN/AN/AFrost Sep 2
ParsnipsN/AN/AFrost Sep 7
PeasN/AN/AFrost Oct 7
PotatoesN/AN/AFrost Sep 27
PumpkinsN/AN/AFrost Jul 24
RadishesN/AN/AFrost Nov 6
SpinachN/AN/AFrost Nov 16
Sweet PotatoesFrost Jul 9Frost Aug 13N/A
Swiss ChardN/AN/AFrost Nov 1
TomatoesFrost Jul 3Frost Aug 28N/A
TurnipsN/AN/AFrost Nov 1
WatermelonsN/AN/AFrost Aug 13
Winter SquashN/AN/AFrost Aug 28
ZucchiniN/AN/AFrost Sep 12

Planting Dates for Spring

On average, your last spring frost occurs on March 1 (at CONCORD WWTP, CA climate station, elevation 39 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