FrostCal

When to Plant Lettuce in Washington

In a typical Washington location, sow outdoors Feb 24 – Mar 10. Across the state, the outdoor planting window starts as early as Feb 1 in Port Townsend and as late as May 2 in Cheney. For a fall crop, plant around Sep 15 – Sep 29.

Method Direct sow
Days to maturity 45–60 days

Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.

Lettuce Planting Dates by City

CityDirect sowFall planting
SeattleFeb 13 – Feb 27Sep 22 – Oct 6
Tri-CitiesMar 30 – Apr 13Aug 16 – Aug 30
SpokaneMar 29 – Apr 12Aug 20 – Sep 3
TacomaFeb 8 – Feb 22Sep 19 – Oct 3
VancouverMar 1 – Mar 15Sep 14 – Sep 28
BellevueFeb 8 – Feb 22Sep 28 – Oct 12
KentFeb 20 – Mar 6Sep 15 – Sep 29
EverettFeb 24 – Mar 10Sep 7 – Sep 21
RentonFeb 13 – Feb 27Sep 21 – Oct 5
Federal WayFeb 8 – Feb 22Sep 19 – Oct 3
Spokane ValleyMar 29 – Apr 12Aug 20 – Sep 3
YakimaApr 10 – Apr 24Aug 9 – Aug 23
KirklandFeb 8 – Feb 22Sep 28 – Oct 12
BellinghamMar 4 – Mar 18Sep 7 – Sep 21
KennewickFeb 28 – Mar 14Sep 4 – Sep 18
AuburnFeb 20 – Mar 6Sep 15 – Sep 29
PascoFeb 28 – Mar 14Sep 4 – Sep 18
MarysvilleFeb 24 – Mar 10Sep 7 – Sep 21
RedmondFeb 8 – Feb 22Sep 28 – Oct 12
LakewoodFeb 11 – Feb 25Sep 26 – Oct 10
OlympiaApr 1 – Apr 15Aug 19 – Sep 2
ShorelineFeb 8 – Feb 22Sep 28 – Oct 12
RichlandMar 9 – Mar 23Aug 29 – Sep 12
South HillMar 14 – Mar 28Sep 4 – Sep 18
SammamishFeb 8 – Feb 22Sep 28 – Oct 12
BurienFeb 2 – Feb 16Sep 28 – Oct 12
LaceyApr 1 – Apr 15Aug 19 – Sep 2
City of SammamishMar 2 – Mar 16Sep 12 – Sep 26
BothellFeb 8 – Feb 22Sep 28 – Oct 12
EdmondsFeb 9 – Feb 23Sep 22 – Oct 6

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 lettuce in Washington?

In a typical Washington location, sow outdoors Feb 24 – Mar 10. Across the state, the outdoor planting window starts as early as Feb 1 in Port Townsend and as late as May 2 in Cheney. For a fall crop, plant around Sep 15 – Sep 29.

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 lettuce take to grow?

Lettuce typically take 45–60 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.

Other Crops in Washington

When to plant lettuce in other states

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