FrostCal

When to Plant Eggplant in Oregon

In a typical Oregon location, start seeds indoors Jan 23 – Feb 6, then transplant outdoors Apr 17 – Apr 24. Across the state, the outdoor planting window starts as early as Feb 25 in Beaverton and as late as Jun 23 in Altamont.

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
PortlandDec 17 – Dec 31Mar 11 – Mar 18
EugeneJan 31 – Feb 14Apr 25 – May 2
SalemJan 23 – Feb 6Apr 17 – Apr 24
GreshamJan 5 – Jan 19Mar 30 – Apr 6
HillsboroFeb 5 – Feb 19Apr 30 – May 7
BeavertonDec 3 – Dec 17Feb 25 – Mar 4
BendMar 28 – Apr 11Jun 20 – Jun 27
MedfordJan 28 – Feb 11Apr 22 – Apr 29
SpringfieldJan 31 – Feb 14Apr 25 – May 2
CorvallisFeb 6 – Feb 20May 1 – May 8
AlbanyFeb 6 – Feb 20May 1 – May 8
TigardJan 21 – Feb 4Apr 15 – Apr 22
AlohaDec 3 – Dec 17Feb 25 – Mar 4
Lake OswegoJan 7 – Jan 21Apr 1 – Apr 8
KeizerJan 23 – Feb 6Apr 17 – Apr 24
Grants PassJan 28 – Feb 11Apr 22 – Apr 29
Oregon CityJan 7 – Jan 21Apr 1 – Apr 8
McMinnvilleJan 25 – Feb 8Apr 19 – Apr 26
RedmondMar 31 – Apr 14Jun 23 – Jun 30
TualatinJan 21 – Feb 4Apr 15 – Apr 22
West LinnJan 7 – Jan 21Apr 1 – Apr 8
WoodburnJan 5 – Jan 19Mar 30 – Apr 6
Forest GroveFeb 5 – Feb 19Apr 30 – May 7
NewbergJan 10 – Jan 24Apr 4 – Apr 11
WilsonvilleJan 7 – Jan 21Apr 1 – Apr 8
RoseburgJan 12 – Jan 26Apr 6 – Apr 13
Klamath FallsMar 31 – Apr 14Jun 23 – Jun 30
AshlandFeb 25 – Mar 11May 20 – May 27
MilwaukieDec 17 – Dec 31Mar 11 – Mar 18
BethanyFeb 5 – Feb 19Apr 30 – May 7

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 eggplant in Oregon?

In a typical Oregon location, start seeds indoors Jan 23 – Feb 6, then transplant outdoors Apr 17 – Apr 24. Across the state, the outdoor planting window starts as early as Feb 25 in Beaverton and as late as Jun 23 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 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 Oregon

When to plant eggplant in other states

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