FrostCal

When to Plant Tomatoes in Oregon

In a typical Oregon location, start seeds indoors Feb 6 – Feb 20, then transplant outdoors Apr 10 – Apr 17. Across the state, the outdoor planting window starts as early as Feb 18 in Beaverton and as late as Jun 16 in Altamont.

Method Start indoors, then transplant
Days to maturity 60–85 days

Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.

Tomatoes Planting Dates by City

CityStart indoorsTransplant
PortlandDec 31 – Jan 14Mar 4 – Mar 11
EugeneFeb 14 – Feb 28Apr 18 – Apr 25
SalemFeb 6 – Feb 20Apr 10 – Apr 17
GreshamJan 19 – Feb 2Mar 23 – Mar 30
HillsboroFeb 19 – Mar 5Apr 23 – Apr 30
BeavertonDec 17 – Dec 31Feb 18 – Feb 25
BendApr 11 – Apr 25Jun 13 – Jun 20
MedfordFeb 11 – Feb 25Apr 15 – Apr 22
SpringfieldFeb 14 – Feb 28Apr 18 – Apr 25
CorvallisFeb 20 – Mar 6Apr 24 – May 1
AlbanyFeb 20 – Mar 6Apr 24 – May 1
TigardFeb 4 – Feb 18Apr 8 – Apr 15
AlohaDec 17 – Dec 31Feb 18 – Feb 25
Lake OswegoJan 21 – Feb 4Mar 25 – Apr 1
KeizerFeb 6 – Feb 20Apr 10 – Apr 17
Grants PassFeb 11 – Feb 25Apr 15 – Apr 22
Oregon CityJan 21 – Feb 4Mar 25 – Apr 1
McMinnvilleFeb 8 – Feb 22Apr 12 – Apr 19
RedmondApr 14 – Apr 28Jun 16 – Jun 23
TualatinFeb 4 – Feb 18Apr 8 – Apr 15
West LinnJan 21 – Feb 4Mar 25 – Apr 1
WoodburnJan 19 – Feb 2Mar 23 – Mar 30
Forest GroveFeb 19 – Mar 5Apr 23 – Apr 30
NewbergJan 24 – Feb 7Mar 28 – Apr 4
WilsonvilleJan 21 – Feb 4Mar 25 – Apr 1
RoseburgJan 26 – Feb 9Mar 30 – Apr 6
Klamath FallsApr 14 – Apr 28Jun 16 – Jun 23
AshlandMar 11 – Mar 25May 13 – May 20
MilwaukieDec 31 – Jan 14Mar 4 – Mar 11
BethanyFeb 19 – Mar 5Apr 23 – Apr 30

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 tomatoes in Oregon?

In a typical Oregon location, start seeds indoors Feb 6 – Feb 20, then transplant outdoors Apr 10 – Apr 17. Across the state, the outdoor planting window starts as early as Feb 18 in Beaverton and as late as Jun 16 in Altamont.

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 tomatoes take to grow?

Tomatoes typically take 60–85 days from planting to harvest. Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.

Other Crops in Oregon

When to plant tomatoes in other states

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