When to plant green beans in Washington

Green beans
Sow outdoors in Seattle
Mar 15–Apr 5

Across Washington the window opens between March 9 and May 15. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Seattle
Mar 15–Apr 5
Last sowing for a harvest
Sep 10
Last frost, Seattle
Mar 8

Sow outdoors 1–4 weeks after the last frost. Bush beans ripen all at once, so sow a new row every two to three weeks.

Green beans planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
SeattleMar 15–Apr 5
SpokaneMay 3–May 24
TacomaMar 15–Apr 5
VancouverApr 5–Apr 26
BellevueMar 15–Apr 5
KentMar 27–Apr 17
EverettMar 31–Apr 21
Spokane ValleyMay 3–May 24
RentonMar 20–Apr 10
Federal WayMar 15–Apr 5
YakimaApr 15–May 6
KirklandMar 15–Apr 5
BellinghamApr 8–Apr 29
KennewickApr 4–Apr 25
AuburnMar 27–Apr 17
PascoMay 4–May 25
RedmondMar 15–Apr 5
MarysvilleMar 31–Apr 21
South HillApr 18–May 9
ShorelineMar 15–Apr 5
SammamishApr 6–Apr 27
RichlandApr 13–May 4
LakewoodMar 18–Apr 8
LaceyMay 6–May 27
OlympiaMay 6–May 27
BothellMar 15–Apr 5
BurienMar 9–Mar 30
BremertonApr 5–Apr 26
EdmondsMar 16–Apr 6
PuyallupApr 18–May 9
All 76 cities
CitySow outdoorsLast frost
SeattleMar 15 to Apr 5Mar 8
SpokaneMay 3 to May 24Apr 26
TacomaMar 15 to Apr 5Mar 8
VancouverApr 5 to Apr 26Mar 29
BellevueMar 15 to Apr 5Mar 8
KentMar 27 to Apr 17Mar 20
EverettMar 31 to Apr 21Mar 24
Spokane ValleyMay 3 to May 24Apr 26
RentonMar 20 to Apr 10Mar 13
Federal WayMar 15 to Apr 5Mar 8
YakimaApr 15 to May 6Apr 8
KirklandMar 15 to Apr 5Mar 8
BellinghamApr 8 to Apr 29Apr 1
KennewickApr 4 to Apr 25Mar 28
AuburnMar 27 to Apr 17Mar 20
PascoMay 4 to May 25Apr 27
RedmondMar 15 to Apr 5Mar 8
MarysvilleMar 31 to Apr 21Mar 24
South HillApr 18 to May 9Apr 11
ShorelineMar 15 to Apr 5Mar 8
SammamishApr 6 to Apr 27Mar 30
RichlandApr 13 to May 4Apr 6
LakewoodMar 18 to Apr 8Mar 11
LaceyMay 6 to May 27Apr 29
OlympiaMay 6 to May 27Apr 29
BothellMar 15 to Apr 5Mar 8
BurienMar 9 to Mar 30Mar 2
BremertonApr 5 to Apr 26Mar 29
EdmondsMar 16 to Apr 6Mar 9
PuyallupApr 18 to May 9Apr 11
LynnwoodMar 16 to Apr 6Mar 9
Lake StevensMar 31 to Apr 21Mar 24
IssaquahMar 20 to Apr 10Mar 13
ParklandMar 15 to Apr 5Mar 8
LongviewApr 15 to May 6Apr 8
WenatcheeApr 11 to May 2Apr 4
University PlaceMar 18 to Apr 8Mar 11
Mount VernonMar 31 to Apr 21Mar 24
GrahamApr 18 to May 9Apr 11
SeaTacMar 9 to Mar 30Mar 2
SpanawayApr 18 to May 9Apr 11
Walla WallaApr 3 to Apr 24Mar 27
PullmanMay 13 to Jun 3May 6
Des MoinesMar 9 to Mar 30Mar 2
OrchardsMay 3 to May 24Apr 26
Maple ValleyApr 27 to May 18Apr 20
TumwaterMay 6 to May 27Apr 29
CamasMar 23 to Apr 13Mar 16
Moses LakeMay 4 to May 25Apr 27
Mill Creek EastMar 16 to Apr 6Mar 9
Mountlake TerraceMar 15 to Apr 5Mar 8
Mercer IslandMar 20 to Apr 10Mar 13
Bainbridge IslandApr 5 to Apr 26Mar 29
KenmoreMar 15 to Apr 5Mar 8
FredericksonApr 18 to May 9Apr 11
Oak HarborMar 20 to Apr 10Mar 13
North LynnwoodMar 16 to Apr 6Mar 9
Battle GroundMay 3 to May 24Apr 26
EastmontMar 16 to Apr 6Mar 9
Union Hill-Novelty HillMar 15 to Apr 5Mar 8
Cottage LakeApr 24 to May 15Apr 17
Hazel DellMay 3 to May 24Apr 26
Martha LakeMar 16 to Apr 6Mar 9
Bonney LakeApr 18 to May 9Apr 11
ArlingtonApr 29 to May 20Apr 22
TukwilaMar 9 to Mar 30Mar 2
Silver FirsMar 16 to Apr 6Mar 9
CovingtonApr 27 to May 18Apr 20
Five CornersMay 3 to May 24Apr 26
EllensburgMay 15 to Jun 5May 8
MukilteoMar 16 to Apr 6Mar 9
SilverdaleApr 5 to Apr 26Mar 29
Bothell WestMar 16 to Apr 6Mar 9
Mill CreekMar 16 to Apr 6Mar 9
Port AngelesMar 19 to Apr 9Mar 12
MonroeApr 24 to May 15Apr 17

Questions

When should I plant green beans in Washington?

In Seattle, sow outdoors from March 15 to April 5. Across Washington the window opens between March 9 and May 15, depending on the local last frost.

How is this date worked out?

Sow outdoors 1–4 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Washington

Green beans in other states

Frost dates for every city in Washington