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

Planting Calendar for Seattle, WA

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 November 10 (at SEATTLE BOEING FLD, WA climate station).
CropFrost Based on Frost Dates
Start Seeds Indoors by...Plant Seedlings Outdoors by...Start Seeds Outdoors by...
ArugulaN/AN/AFrost Oct 6
BeetsN/AN/AFrost Sep 26
Bell PeppersFrost May 28Frost Jul 23N/A
BroccoliFrost Jul 30Frost Aug 27N/A
CabbageFrost Jul 20Frost Aug 17N/A
CantaloupesN/AN/AFrost Jul 13
CarrotsN/AN/AFrost Sep 21
CauliflowerFrost Jul 30Frost Aug 27N/A
CeleryFrost May 19Frost Jul 28N/A
CornN/AN/AFrost Aug 2
CucumbersN/AN/AFrost Aug 7
EggplantsFrost May 28Frost Jul 23N/A
Green BeansN/AN/AFrost Aug 7
Jalapeño PeppersFrost Jun 17Frost Aug 12N/A
KaleFrost Aug 19Frost Sep 16N/A
KohlrabiN/AN/AFrost Sep 21
LettuceN/AN/AFrost Oct 1
OkraN/AN/AFrost Aug 2
ParsnipsN/AN/AFrost Aug 7
PeasN/AN/AFrost Sep 6
PotatoesN/AN/AFrost Aug 27
PumpkinsN/AN/AFrost Jun 23
RadishesN/AN/AFrost Oct 6
SpinachN/AN/AFrost Oct 16
Sweet PotatoesFrost Jun 8Frost Jul 13N/A
Swiss ChardN/AN/AFrost Oct 1
TomatoesFrost Jun 2Frost Jul 28N/A
TurnipsN/AN/AFrost Oct 1
WatermelonsN/AN/AFrost Jul 13
Winter SquashN/AN/AFrost Jul 28
ZucchiniN/AN/AFrost Aug 12

Planting Dates for Spring

On average, your last spring frost occurs on March 21 (at SEATTLE BOEING FLD, WA climate station, elevation 19 feet).
CropFrost Based on Frost Dates
Moon Based on Moon Dates
Start Seeds IndoorsPlant Seedlings
or Transplants
Start Seeds Outdoors
ArugulaN/AN/AFrost Mar 6-21
Moon Mar 6-18
BasilFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Mar 21-Apr 11
Moon Apr 1-11
N/A
BeetsN/AN/AFrost Mar 6-28
Moon Mar 19-28
Bell PeppersFrost Jan 9-23
Moon Jan 9-17
Frost Mar 28-Apr 11
Moon Apr 1-11
N/A
BroccoliFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Feb 20-Mar 14
Moon Mar 2-14
N/A
CabbageFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Feb 20-Mar 6
Moon Mar 2- 6
N/A
CantaloupesFrost Feb 20-27
Frost Apr 4-18
Moon Apr 4-16
N/A
CarrotsN/AN/AFrost Feb 13-27
Moon Feb 17-27
CauliflowerFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Feb 20-Mar 14
Moon Mar 2-14
N/A
CeleryFrost Jan 9-23
Moon Jan 9-17
Frost Mar 28-Apr 11
Moon Apr 1-11
N/A
ChivesN/AN/AFrost Feb 20-27
Cilantro (Coriander)N/AN/AFrost Mar 21-Apr 4
Moon Apr 1- 4
CornN/AN/AFrost Apr 4-25
Moon Apr 4-16
CucumbersFrost Feb 20-27
Frost Apr 4-18
Moon Apr 4-16
N/A
DillN/AN/AFrost Mar 21-Apr 25
Moon Apr 1-16
EggplantsFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Apr 4-18
Moon Apr 4-16
N/A
Green BeansN/AN/AFrost Mar 28-Apr 18
Moon Apr 1-16
Jalapeño PeppersFrost Jan 9-23
Moon Jan 9-17
Frost Mar 28-Apr 11
Moon Apr 1-11
N/A
KaleFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Feb 20-Mar 14
Moon Mar 2-14
N/A
KohlrabiFrost Feb 6-20
Moon Feb 6-16
Frost Feb 27-Mar 6
Moon Mar 2- 6
N/A
LettuceFrost Feb 6-20
Moon Feb 6-16
Frost Mar 6-Apr 4
Moon Mar 6-18, Apr 1- 4
N/A
OkraN/AN/AFrost Apr 4-18
Moon Apr 4-16
OnionsN/AN/AFrost Feb 20-Mar 14
Moon Feb 20-Mar 1
OreganoFrost Jan 9-Feb 6
Moon Jan 9-17, Feb 1- 6
Frost Mar 21-Apr 11
Moon Apr 1-11
N/A
ParsleyN/AN/AFrost Feb 20-Mar 6
Moon Mar 2- 6
ParsnipsN/AN/AFrost Feb 27-Mar 21
Moon Feb 27-Mar 1, Mar 19-21
PeasN/AN/AFrost Feb 6-27
Moon Feb 6-16
PotatoesN/AN/AFrost Mar 14-Apr 4
Moon Mar 19-31
PumpkinsFrost Feb 27-Mar 14
Moon Mar 2-14
Frost Apr 4-18
Moon Apr 4-16
N/A
RadishesN/AN/AFrost Jan 23-Feb 13
Moon Jan 23-31
RosemaryFrost Jan 9-23
Moon Jan 9-17
Frost Mar 28-Apr 18
Moon Apr 1-16
N/A
SageFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Mar 21-Apr 4
Moon Apr 1- 4
N/A
SpinachN/AN/AFrost Feb 6-27
Moon Feb 6-16
Sweet PotatoesN/AN/AFrost Apr 11-25
Moon Apr 17-25
Swiss ChardFrost Feb 6-20
Moon Feb 6-16
Frost Feb 27-Mar 6
Moon Mar 2- 6
N/A
ThymeFrost Jan 9-Feb 6
Moon Jan 9-17, Feb 1- 6
Frost Mar 21-Apr 11
Moon Apr 1-11
N/A
TomatoesFrost Jan 23-Feb 6
Moon Feb 1- 6
Frost Mar 28-Apr 18
Moon Apr 1-16
N/A
TurnipsN/AN/AFrost Feb 20-Mar 14
Moon Feb 20-Mar 1
WatermelonsFrost Feb 20-27
Frost Apr 4-18
Moon Apr 4-16
N/A
Winter SquashN/AN/AFrost Apr 4-May 2
Moon Apr 4-16, Apr 30-May 2
ZucchiniN/AN/AFrost Apr 4-May 2
Moon Apr 4-16, Apr 30-May 2