FrostCal

When to Plant Dill in Washington

In a typical Washington location, sow outdoors Mar 3 – Mar 17. Across the state, the outdoor planting window starts as early as Feb 8 in Port Townsend and as late as May 9 in Cheney.

Method Direct sow
Days to maturity 40–60 days

Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer.

Dill Planting Dates by City

CityDirect sow
SeattleFeb 20 – Mar 6
Tri-CitiesApr 6 – Apr 20
SpokaneApr 5 – Apr 19
TacomaFeb 15 – Mar 1
VancouverMar 8 – Mar 22
BellevueFeb 15 – Mar 1
KentFeb 27 – Mar 13
EverettMar 3 – Mar 17
RentonFeb 20 – Mar 6
Federal WayFeb 15 – Mar 1
Spokane ValleyApr 5 – Apr 19
YakimaApr 17 – May 1
KirklandFeb 15 – Mar 1
BellinghamMar 11 – Mar 25
KennewickMar 7 – Mar 21
AuburnFeb 27 – Mar 13
PascoMar 7 – Mar 21
MarysvilleMar 3 – Mar 17
RedmondFeb 15 – Mar 1
LakewoodFeb 18 – Mar 4
OlympiaApr 8 – Apr 22
ShorelineFeb 15 – Mar 1
RichlandMar 16 – Mar 30
South HillMar 21 – Apr 4
SammamishFeb 15 – Mar 1
BurienFeb 9 – Feb 23
LaceyApr 8 – Apr 22
City of SammamishMar 9 – Mar 23
BothellFeb 15 – Mar 1
EdmondsFeb 16 – Mar 2

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 dill in Washington?

In a typical Washington location, sow outdoors Mar 3 – Mar 17. Across the state, the outdoor planting window starts as early as Feb 8 in Port Townsend and as late as May 9 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 dill take to grow?

Dill typically take 40–60 days from planting to harvest. Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer.

Other Crops in Washington

When to plant dill in other states

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