When to plant spinach in Washington

Spinach
Sow outdoors in Seattle
Jan 25–Feb 15

Across Washington the window opens between January 19 and March 27. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Seattle
Jan 25–Feb 15
Fall planting, Seattle
Sep 28–Oct 12
Last frost, Seattle
Mar 8

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Spinach bolts as days lengthen. Early spring and fall are its seasons.

Spinach planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
SeattleJan 25–Feb 15
SpokaneMar 15–Apr 5
TacomaJan 25–Feb 15
VancouverFeb 15–Mar 8
BellevueJan 25–Feb 15
KentFeb 6–Feb 27
EverettFeb 10–Mar 3
Spokane ValleyMar 15–Apr 5
RentonJan 30–Feb 20
Federal WayJan 25–Feb 15
YakimaFeb 25–Mar 18
KirklandJan 25–Feb 15
BellinghamFeb 18–Mar 11
KennewickFeb 14–Mar 7
AuburnFeb 6–Feb 27
PascoMar 16–Apr 6
RedmondJan 25–Feb 15
MarysvilleFeb 10–Mar 3
South HillFeb 28–Mar 21
ShorelineJan 25–Feb 15
SammamishFeb 16–Mar 9
RichlandFeb 23–Mar 16
LakewoodJan 28–Feb 18
LaceyMar 18–Apr 8
OlympiaMar 18–Apr 8
BothellJan 25–Feb 15
BurienJan 19–Feb 9
BremertonFeb 15–Mar 8
EdmondsJan 26–Feb 16
PuyallupFeb 28–Mar 21
All 76 cities
CitySow outdoorsFall plantingLast frost
SeattleJan 25 to Feb 15Sep 28 to Oct 12Mar 8
SpokaneMar 15 to Apr 5Aug 20 to Sep 3Apr 26
TacomaJan 25 to Feb 15Sep 19 to Oct 3Mar 8
VancouverFeb 15 to Mar 8Sep 14 to Sep 28Mar 29
BellevueJan 25 to Feb 15Sep 28 to Oct 12Mar 8
KentFeb 6 to Feb 27Sep 15 to Sep 29Mar 20
EverettFeb 10 to Mar 3Sep 7 to Sep 21Mar 24
Spokane ValleyMar 15 to Apr 5Aug 20 to Sep 3Apr 26
RentonJan 30 to Feb 20Sep 21 to Oct 5Mar 13
Federal WayJan 25 to Feb 15Sep 19 to Oct 3Mar 8
YakimaFeb 25 to Mar 18Aug 28 to Sep 11Apr 8
KirklandJan 25 to Feb 15Sep 28 to Oct 12Mar 8
BellinghamFeb 18 to Mar 11Sep 7 to Sep 21Apr 1
KennewickFeb 14 to Mar 7Sep 4 to Sep 18Mar 28
AuburnFeb 6 to Feb 27Sep 15 to Sep 29Mar 20
PascoMar 16 to Apr 6Aug 16 to Aug 30Apr 27
RedmondJan 25 to Feb 15Sep 28 to Oct 12Mar 8
MarysvilleFeb 10 to Mar 3Sep 7 to Sep 21Mar 24
South HillFeb 28 to Mar 21Sep 4 to Sep 18Apr 11
ShorelineJan 25 to Feb 15Sep 28 to Oct 12Mar 8
SammamishFeb 16 to Mar 9Sep 12 to Sep 26Mar 30
RichlandFeb 23 to Mar 16Aug 29 to Sep 12Apr 6
LakewoodJan 28 to Feb 18Sep 26 to Oct 10Mar 11
LaceyMar 18 to Apr 8Aug 19 to Sep 2Apr 29
OlympiaMar 18 to Apr 8Aug 19 to Sep 2Apr 29
BothellJan 25 to Feb 15Sep 28 to Oct 12Mar 8
BurienJan 19 to Feb 9Sep 28 to Oct 12Mar 2
BremertonFeb 15 to Mar 8Sep 19 to Oct 3Mar 29
EdmondsJan 26 to Feb 16Sep 22 to Oct 6Mar 9
PuyallupFeb 28 to Mar 21Sep 4 to Sep 18Apr 11
LynnwoodJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Lake StevensFeb 10 to Mar 3Sep 7 to Sep 21Mar 24
IssaquahJan 30 to Feb 20Sep 21 to Oct 5Mar 13
ParklandJan 25 to Feb 15Sep 19 to Oct 3Mar 8
LongviewFeb 25 to Mar 18Sep 10 to Sep 24Apr 8
WenatcheeFeb 21 to Mar 14Sep 2 to Sep 16Apr 4
University PlaceJan 28 to Feb 18Sep 26 to Oct 10Mar 11
Mount VernonFeb 10 to Mar 3Sep 8 to Sep 22Mar 24
GrahamFeb 28 to Mar 21Sep 4 to Sep 18Apr 11
SeaTacJan 19 to Feb 9Sep 28 to Oct 12Mar 2
SpanawayFeb 28 to Mar 21Sep 4 to Sep 18Apr 11
Walla WallaFeb 13 to Mar 6Sep 5 to Sep 19Mar 27
PullmanMar 25 to Apr 15May 6
Des MoinesJan 19 to Feb 9Sep 28 to Oct 12Mar 2
OrchardsMar 15 to Apr 5Aug 21 to Sep 4Apr 26
Maple ValleyMar 9 to Mar 30Aug 30 to Sep 13Apr 20
TumwaterMar 18 to Apr 8Aug 19 to Sep 2Apr 29
CamasFeb 2 to Feb 23Sep 25 to Oct 9Mar 16
Moses LakeMar 16 to Apr 6Aug 13 to Aug 27Apr 27
Mill Creek EastJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Mountlake TerraceJan 25 to Feb 15Sep 28 to Oct 12Mar 8
Mercer IslandJan 30 to Feb 20Sep 22 to Oct 6Mar 13
Bainbridge IslandFeb 15 to Mar 8Sep 19 to Oct 3Mar 29
KenmoreJan 25 to Feb 15Sep 28 to Oct 12Mar 8
FredericksonFeb 28 to Mar 21Sep 4 to Sep 18Apr 11
Oak HarborJan 30 to Feb 20Sep 19 to Oct 3Mar 13
North LynnwoodJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Battle GroundMar 15 to Apr 5Aug 21 to Sep 4Apr 26
EastmontJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Union Hill-Novelty HillJan 25 to Feb 15Sep 28 to Oct 12Mar 8
Cottage LakeMar 6 to Mar 27Aug 28 to Sep 11Apr 17
Hazel DellMar 15 to Apr 5Aug 23 to Sep 6Apr 26
Martha LakeJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Bonney LakeFeb 28 to Mar 21Sep 4 to Sep 18Apr 11
ArlingtonMar 11 to Apr 1Aug 24 to Sep 7Apr 22
TukwilaJan 19 to Feb 9Sep 28 to Oct 12Mar 2
Silver FirsJan 26 to Feb 16Sep 22 to Oct 6Mar 9
CovingtonMar 9 to Mar 30Aug 30 to Sep 13Apr 20
Five CornersMar 15 to Apr 5Aug 23 to Sep 6Apr 26
EllensburgMar 27 to Apr 17May 8
MukilteoJan 26 to Feb 16Sep 22 to Oct 6Mar 9
SilverdaleFeb 15 to Mar 8Sep 19 to Oct 3Mar 29
Bothell WestJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Mill CreekJan 26 to Feb 16Sep 22 to Oct 6Mar 9
Port AngelesJan 29 to Feb 19Sep 24 to Oct 8Mar 12
MonroeMar 6 to Mar 27Aug 28 to Sep 11Apr 17

Questions

When should I plant spinach in Washington?

In Seattle, sow outdoors from January 25 to February 15. Across Washington the window opens between January 19 and March 27, depending on the local last frost.

How is this date worked out?

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Washington

Spinach in other states

Frost dates for every city in Washington