FrostCal

When to Plant Eggplant in Washington

In a typical Washington location, start seeds indoors Jan 13 – Jan 27, then transplant outdoors Apr 7 – Apr 14. Across the state, the outdoor planting window starts as early as Mar 15 in Port Townsend and as late as Jun 13 in Cheney.

Method Start indoors, then transplant
Days to maturity 65–85 days

Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant.

Eggplant Planting Dates by City

CityStart indoorsTransplant
SeattleJan 2 – Jan 16Mar 27 – Apr 3
Tri-CitiesFeb 16 – Mar 2May 11 – May 18
SpokaneFeb 15 – Mar 1May 10 – May 17
TacomaDec 28 – Jan 11Mar 22 – Mar 29
VancouverJan 18 – Feb 1Apr 12 – Apr 19
BellevueDec 28 – Jan 11Mar 22 – Mar 29
KentJan 9 – Jan 23Apr 3 – Apr 10
EverettJan 13 – Jan 27Apr 7 – Apr 14
RentonJan 2 – Jan 16Mar 27 – Apr 3
Federal WayDec 28 – Jan 11Mar 22 – Mar 29
Spokane ValleyFeb 15 – Mar 1May 10 – May 17
YakimaFeb 27 – Mar 13May 22 – May 29
KirklandDec 28 – Jan 11Mar 22 – Mar 29
BellinghamJan 21 – Feb 4Apr 15 – Apr 22
KennewickJan 17 – Jan 31Apr 11 – Apr 18
AuburnJan 9 – Jan 23Apr 3 – Apr 10
PascoJan 17 – Jan 31Apr 11 – Apr 18
MarysvilleJan 13 – Jan 27Apr 7 – Apr 14
RedmondDec 28 – Jan 11Mar 22 – Mar 29
LakewoodDec 31 – Jan 14Mar 25 – Apr 1
OlympiaFeb 18 – Mar 4May 13 – May 20
ShorelineDec 28 – Jan 11Mar 22 – Mar 29
RichlandJan 26 – Feb 9Apr 20 – Apr 27
South HillJan 31 – Feb 14Apr 25 – May 2
SammamishDec 28 – Jan 11Mar 22 – Mar 29
BurienDec 22 – Jan 5Mar 16 – Mar 23
LaceyFeb 18 – Mar 4May 13 – May 20
City of SammamishJan 19 – Feb 2Apr 13 – Apr 20
BothellDec 28 – Jan 11Mar 22 – Mar 29
EdmondsDec 29 – Jan 12Mar 23 – Mar 30

Showing the 30 most populous of 133 Washington cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Washington cities.

Frequently Asked Questions

When should I plant eggplant in Washington?

In a typical Washington location, start seeds indoors Jan 13 – Jan 27, then transplant outdoors Apr 7 – Apr 14. Across the state, the outdoor planting window starts as early as Mar 15 in Port Townsend and as late as Jun 13 in Cheney.

When is the last frost in Washington?

The average last spring frost in Washington ranges from March 1 in Port Townsend to May 30 in Cheney, based on NOAA 1991–2020 climate normals.

How long do eggplant take to grow?

Eggplant typically take 65–85 days from planting to harvest. Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant.

Other Crops in Washington

When to plant eggplant in other states

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