Quantcast
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.

Print Friendly and PDF

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- 7
BasilFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Mar 21-Apr 11
Moon Mar 21-Apr 5
N/A
BeetsN/AN/AFrost Mar 6-28
Moon Mar 8-20
Bell PeppersFrost Jan 9-23
Moon Jan 21-23
Frost Mar 28-Apr 11
Moon Mar 28-Apr 5
N/A
BroccoliFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Feb 20-Mar 14
Moon Feb 20-Mar 7
N/A
CabbageFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Feb 20-Mar 6
Moon Feb 20-Mar 6
N/A
CantaloupesFrost Feb 20-27
Moon Feb 20-27
Frost Apr 4-18
Moon Apr 4- 5
N/A
CarrotsN/AN/AFrost Feb 13-27
Moon Feb 13-19
CauliflowerFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Feb 20-Mar 14
Moon Feb 20-Mar 7
N/A
CeleryFrost Jan 9-23
Moon Jan 21-23
Frost Mar 28-Apr 11
Moon Mar 28-Apr 5
N/A
ChivesN/AN/AFrost Feb 20-27
Moon Feb 20-27
Cilantro (Coriander)N/AN/AFrost Mar 21-Apr 4
Moon Mar 21-Apr 4
CornN/AN/AFrost Apr 4-25
Moon Apr 4- 5, Apr 19-25
CucumbersFrost Feb 20-27
Moon Feb 20-27
Frost Apr 4-18
Moon Apr 4- 5
N/A
DillN/AN/AFrost Mar 21-Apr 25
Moon Mar 21-Apr 5
EggplantsFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Apr 4-18
Moon Apr 4- 5
N/A
Fava Beans (Broad Beans)Frost Dec 26-Jan 9
Moon Dec 26-Jan 6
Frost Jan 30-Feb 20
Moon Jan 30-Feb 5, Feb 20
N/A
Green BeansN/AN/AFrost Mar 28-Apr 18
Moon Mar 28-Apr 5
Jalapeño PeppersFrost Jan 9-23
Moon Jan 21-23
Frost Mar 28-Apr 11
Moon Mar 28-Apr 5
N/A
KaleFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Feb 20-Mar 14
Moon Feb 20-Mar 7
N/A
KohlrabiFrost Feb 6-20
Moon Feb 20
Frost Feb 27-Mar 6
Moon Feb 27-Mar 6
N/A
LettuceFrost Feb 6-20
Moon Feb 20
Frost Mar 6-Apr 4
Moon Mar 6- 7, Mar 22-Apr 4
N/A
OkraN/AN/AFrost Apr 4-18
Moon Apr 4- 5
OnionsN/AN/AFrost Feb 20-Mar 14
Moon Mar 8-14
OreganoFrost Jan 9-Feb 6
Moon Jan 21-Feb 5
Frost Mar 21-Apr 11
Moon Mar 21-Apr 5
N/A
ParsleyN/AN/AFrost Feb 20-Mar 6
Moon Feb 20-Mar 6
ParsnipsN/AN/AFrost Feb 27-Mar 21
Moon Mar 8-20
PeasN/AN/AFrost Feb 6-27
Moon Feb 20-27
PotatoesN/AN/AFrost Mar 14-Apr 4
Moon Mar 14-20
PumpkinsFrost Feb 27-Mar 14
Moon Feb 27-Mar 7
Frost Apr 4-18
Moon Apr 4- 5
N/A
RadishesN/AN/AFrost Jan 23-Feb 13
Moon Feb 6-13
RosemaryFrost Jan 9-23
Moon Jan 21-23
Frost Mar 28-Apr 18
Moon Mar 28-Apr 5
N/A
SageFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Mar 21-Apr 4
Moon Mar 21-Apr 4
N/A
SpinachN/AN/AFrost Feb 6-27
Moon Feb 20-27
Sweet PotatoesN/AN/AFrost Apr 11-25
Moon Apr 11-18
Swiss ChardFrost Feb 6-20
Moon Feb 20
Frost Feb 27-Mar 6
Moon Feb 27-Mar 6
N/A
ThymeFrost Jan 9-Feb 6
Moon Jan 21-Feb 5
Frost Mar 21-Apr 11
Moon Mar 21-Apr 5
N/A
TomatoesFrost Jan 23-Feb 6
Moon Jan 23-Feb 5
Frost Mar 28-Apr 18
Moon Mar 28-Apr 5
N/A
TurnipsN/AN/AFrost Feb 20-Mar 14
Moon Mar 8-14
WatermelonsFrost Feb 20-27
Moon Feb 20-27
Frost Apr 4-18
Moon Apr 4- 5
N/A
Winter SquashN/AN/AFrost Apr 4-May 2
Moon Apr 4- 5, Apr 19-May 2
ZucchiniN/AN/AFrost Apr 4-May 2
Moon Apr 4- 5, Apr 19-May 2

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
Fava Beans (Broad Beans)N/AN/AFrost Sep 11
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