FrostCal

When to Plant Lettuce in Oregon

In a typical Oregon location, sow outdoors Mar 6 – Mar 20. Across the state, the outdoor planting window starts as early as Jan 14 in Beaverton and as late as May 12 in Altamont. For a fall crop, plant around Sep 11 – Sep 25.

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
PortlandJan 28 – Feb 11Oct 6 – Oct 20
EugeneMar 14 – Mar 28Aug 28 – Sep 11
SalemMar 6 – Mar 20Sep 6 – Sep 20
GreshamFeb 16 – Mar 2Sep 25 – Oct 9
HillsboroMar 19 – Apr 2Aug 28 – Sep 11
BeavertonJan 14 – Jan 28Oct 10 – Oct 24
BendMay 9 – May 23Jul 26 – Aug 9
MedfordMar 11 – Mar 25Sep 3 – Sep 17
SpringfieldMar 14 – Mar 28Aug 28 – Sep 11
CorvallisMar 20 – Apr 3Sep 2 – Sep 16
AlbanyMar 20 – Apr 3Sep 2 – Sep 16
TigardMar 4 – Mar 18Sep 11 – Sep 25
AlohaJan 14 – Jan 28Oct 10 – Oct 24
Lake OswegoFeb 18 – Mar 4Sep 23 – Oct 7
KeizerMar 6 – Mar 20Sep 6 – Sep 20
Grants PassMar 11 – Mar 25Sep 2 – Sep 16
Oregon CityFeb 18 – Mar 4Sep 23 – Oct 7
McMinnvilleMar 8 – Mar 22Sep 12 – Sep 26
RedmondMay 12 – May 26Jul 20 – Aug 3
TualatinMar 4 – Mar 18Sep 11 – Sep 25
West LinnFeb 18 – Mar 4Sep 23 – Oct 7
WoodburnFeb 16 – Mar 2Sep 19 – Oct 3
Forest GroveMar 19 – Apr 2Aug 31 – Sep 14
NewbergFeb 21 – Mar 7Sep 27 – Oct 11
WilsonvilleFeb 18 – Mar 4Sep 18 – Oct 2
RoseburgFeb 23 – Mar 9Sep 23 – Oct 7
Klamath FallsMay 12 – May 26Jul 24 – Aug 7
AshlandApr 8 – Apr 22Aug 13 – Aug 27
MilwaukieJan 28 – Feb 11Oct 6 – Oct 20
BethanyMar 19 – Apr 2Aug 28 – Sep 11

Showing the 30 most populous of 68 Oregon cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Oregon cities.

Frequently Asked Questions

When should I plant lettuce in Oregon?

In a typical Oregon location, sow outdoors Mar 6 – Mar 20. Across the state, the outdoor planting window starts as early as Jan 14 in Beaverton and as late as May 12 in Altamont. For a fall crop, plant around Sep 11 – Sep 25.

When is the last frost in Oregon?

The average last spring frost in Oregon ranges from February 11 in Beaverton to June 9 in Altamont, 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 Oregon

When to plant lettuce in other states

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