When to plant eggplant in Washington

Eggplant
Plant out in Seattle
Mar 22–Apr 5

Across Washington the window opens between March 16 and May 22. Find your city below; the dates follow each town's own average last frost.

Start indoors, Seattle
Dec 28–Jan 11
Plant out, Seattle
Mar 22–Apr 5
Last sowing for a harvest
Aug 16
Last frost, Seattle
Mar 8

Start seeds indoors 8–10 weeks before the last frost; plant out 2–4 weeks after the last frost. Eggplant sulks in cool weather. Black plastic mulch warms the soil.

Eggplant planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
SeattleMar 22–Apr 5
SpokaneMay 10–May 24
TacomaMar 22–Apr 5
VancouverApr 12–Apr 26
BellevueMar 22–Apr 5
KentApr 3–Apr 17
EverettApr 7–Apr 21
Spokane ValleyMay 10–May 24
RentonMar 27–Apr 10
Federal WayMar 22–Apr 5
YakimaApr 22–May 6
KirklandMar 22–Apr 5
BellinghamApr 15–Apr 29
KennewickApr 11–Apr 25
AuburnApr 3–Apr 17
PascoMay 11–May 25
RedmondMar 22–Apr 5
MarysvilleApr 7–Apr 21
South HillApr 25–May 9
ShorelineMar 22–Apr 5
SammamishApr 13–Apr 27
RichlandApr 20–May 4
LakewoodMar 25–Apr 8
LaceyMay 13–May 27
OlympiaMay 13–May 27
BothellMar 22–Apr 5
BurienMar 16–Mar 30
BremertonApr 12–Apr 26
EdmondsMar 23–Apr 6
PuyallupApr 25–May 9
All 76 cities
CityStart indoorsPlant outLast frost
SeattleDec 28 to Jan 11Mar 22 to Apr 5Mar 8
SpokaneFeb 15 to Mar 1May 10 to May 24Apr 26
TacomaDec 28 to Jan 11Mar 22 to Apr 5Mar 8
VancouverJan 18 to Feb 1Apr 12 to Apr 26Mar 29
BellevueDec 28 to Jan 11Mar 22 to Apr 5Mar 8
KentJan 9 to Jan 23Apr 3 to Apr 17Mar 20
EverettJan 13 to Jan 27Apr 7 to Apr 21Mar 24
Spokane ValleyFeb 15 to Mar 1May 10 to May 24Apr 26
RentonJan 2 to Jan 16Mar 27 to Apr 10Mar 13
Federal WayDec 28 to Jan 11Mar 22 to Apr 5Mar 8
YakimaJan 28 to Feb 11Apr 22 to May 6Apr 8
KirklandDec 28 to Jan 11Mar 22 to Apr 5Mar 8
BellinghamJan 21 to Feb 4Apr 15 to Apr 29Apr 1
KennewickJan 17 to Jan 31Apr 11 to Apr 25Mar 28
AuburnJan 9 to Jan 23Apr 3 to Apr 17Mar 20
PascoFeb 16 to Mar 2May 11 to May 25Apr 27
RedmondDec 28 to Jan 11Mar 22 to Apr 5Mar 8
MarysvilleJan 13 to Jan 27Apr 7 to Apr 21Mar 24
South HillJan 31 to Feb 14Apr 25 to May 9Apr 11
ShorelineDec 28 to Jan 11Mar 22 to Apr 5Mar 8
SammamishJan 19 to Feb 2Apr 13 to Apr 27Mar 30
RichlandJan 26 to Feb 9Apr 20 to May 4Apr 6
LakewoodDec 31 to Jan 14Mar 25 to Apr 8Mar 11
LaceyFeb 18 to Mar 4May 13 to May 27Apr 29
OlympiaFeb 18 to Mar 4May 13 to May 27Apr 29
BothellDec 28 to Jan 11Mar 22 to Apr 5Mar 8
BurienDec 22 to Jan 5Mar 16 to Mar 30Mar 2
BremertonJan 18 to Feb 1Apr 12 to Apr 26Mar 29
EdmondsDec 29 to Jan 12Mar 23 to Apr 6Mar 9
PuyallupJan 31 to Feb 14Apr 25 to May 9Apr 11
LynnwoodDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Lake StevensJan 13 to Jan 27Apr 7 to Apr 21Mar 24
IssaquahJan 2 to Jan 16Mar 27 to Apr 10Mar 13
ParklandDec 28 to Jan 11Mar 22 to Apr 5Mar 8
LongviewJan 28 to Feb 11Apr 22 to May 6Apr 8
WenatcheeJan 24 to Feb 7Apr 18 to May 2Apr 4
University PlaceDec 31 to Jan 14Mar 25 to Apr 8Mar 11
Mount VernonJan 13 to Jan 27Apr 7 to Apr 21Mar 24
GrahamJan 31 to Feb 14Apr 25 to May 9Apr 11
SeaTacDec 22 to Jan 5Mar 16 to Mar 30Mar 2
SpanawayJan 31 to Feb 14Apr 25 to May 9Apr 11
Walla WallaJan 16 to Jan 30Apr 10 to Apr 24Mar 27
PullmanFeb 25 to Mar 11May 20 to Jun 3May 6
Des MoinesDec 22 to Jan 5Mar 16 to Mar 30Mar 2
OrchardsFeb 15 to Mar 1May 10 to May 24Apr 26
Maple ValleyFeb 9 to Feb 23May 4 to May 18Apr 20
TumwaterFeb 18 to Mar 4May 13 to May 27Apr 29
CamasJan 5 to Jan 19Mar 30 to Apr 13Mar 16
Moses LakeFeb 16 to Mar 2May 11 to May 25Apr 27
Mill Creek EastDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Mountlake TerraceDec 28 to Jan 11Mar 22 to Apr 5Mar 8
Mercer IslandJan 2 to Jan 16Mar 27 to Apr 10Mar 13
Bainbridge IslandJan 18 to Feb 1Apr 12 to Apr 26Mar 29
KenmoreDec 28 to Jan 11Mar 22 to Apr 5Mar 8
FredericksonJan 31 to Feb 14Apr 25 to May 9Apr 11
Oak HarborJan 2 to Jan 16Mar 27 to Apr 10Mar 13
North LynnwoodDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Battle GroundFeb 15 to Mar 1May 10 to May 24Apr 26
EastmontDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Union Hill-Novelty HillDec 28 to Jan 11Mar 22 to Apr 5Mar 8
Cottage LakeFeb 6 to Feb 20May 1 to May 15Apr 17
Hazel DellFeb 15 to Mar 1May 10 to May 24Apr 26
Martha LakeDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Bonney LakeJan 31 to Feb 14Apr 25 to May 9Apr 11
ArlingtonFeb 11 to Feb 25May 6 to May 20Apr 22
TukwilaDec 22 to Jan 5Mar 16 to Mar 30Mar 2
Silver FirsDec 29 to Jan 12Mar 23 to Apr 6Mar 9
CovingtonFeb 9 to Feb 23May 4 to May 18Apr 20
Five CornersFeb 15 to Mar 1May 10 to May 24Apr 26
EllensburgFeb 27 to Mar 13May 22 to Jun 5May 8
MukilteoDec 29 to Jan 12Mar 23 to Apr 6Mar 9
SilverdaleJan 18 to Feb 1Apr 12 to Apr 26Mar 29
Bothell WestDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Mill CreekDec 29 to Jan 12Mar 23 to Apr 6Mar 9
Port AngelesJan 1 to Jan 15Mar 26 to Apr 9Mar 12
MonroeFeb 6 to Feb 20May 1 to May 15Apr 17

Questions

When should I plant eggplant in Washington?

In Seattle, plant out from March 22 to April 5. Across Washington the window opens between March 16 and May 22, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–10 weeks before the last frost; plant out 2–4 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Washington

Eggplant in other states

Frost dates for every city in Washington