FrostCal

When to Plant Radishes in Oregon

In a typical Oregon location, sow outdoors Feb 27 – Mar 13. Across the state, the outdoor planting window starts as early as Jan 7 in Beaverton and as late as May 5 in Altamont. For a fall crop, plant around Sep 25 – Oct 9.

Method Direct sow
Days to maturity 22–30 days

Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Radishes Planting Dates by City

CityDirect sowFall planting
PortlandJan 21 – Feb 4Oct 20 – Nov 3
EugeneMar 7 – Mar 21Sep 11 – Sep 25
SalemFeb 27 – Mar 13Sep 20 – Oct 4
GreshamFeb 9 – Feb 23Oct 9 – Oct 23
HillsboroMar 12 – Mar 26Sep 11 – Sep 25
BeavertonJan 7 – Jan 21Oct 24 – Nov 7
BendMay 2 – May 16Aug 9 – Aug 23
MedfordMar 4 – Mar 18Sep 17 – Oct 1
SpringfieldMar 7 – Mar 21Sep 11 – Sep 25
CorvallisMar 13 – Mar 27Sep 16 – Sep 30
AlbanyMar 13 – Mar 27Sep 16 – Sep 30
TigardFeb 25 – Mar 11Sep 25 – Oct 9
AlohaJan 7 – Jan 21Oct 24 – Nov 7
Lake OswegoFeb 11 – Feb 25Oct 7 – Oct 21
KeizerFeb 27 – Mar 13Sep 20 – Oct 4
Grants PassMar 4 – Mar 18Sep 16 – Sep 30
Oregon CityFeb 11 – Feb 25Oct 7 – Oct 21
McMinnvilleMar 1 – Mar 15Sep 26 – Oct 10
RedmondMay 5 – May 19Aug 3 – Aug 17
TualatinFeb 25 – Mar 11Sep 25 – Oct 9
West LinnFeb 11 – Feb 25Oct 7 – Oct 21
WoodburnFeb 9 – Feb 23Oct 3 – Oct 17
Forest GroveMar 12 – Mar 26Sep 14 – Sep 28
NewbergFeb 14 – Feb 28Oct 11 – Oct 25
WilsonvilleFeb 11 – Feb 25Oct 2 – Oct 16
RoseburgFeb 16 – Mar 2Oct 7 – Oct 21
Klamath FallsMay 5 – May 19Aug 7 – Aug 21
AshlandApr 1 – Apr 15Aug 27 – Sep 10
MilwaukieJan 21 – Feb 4Oct 20 – Nov 3
BethanyMar 12 – Mar 26Sep 11 – Sep 25

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 radishes in Oregon?

In a typical Oregon location, sow outdoors Feb 27 – Mar 13. Across the state, the outdoor planting window starts as early as Jan 7 in Beaverton and as late as May 5 in Altamont. For a fall crop, plant around Sep 25 – Oct 9.

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 radishes take to grow?

Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Other Crops in Oregon

When to plant radishes in other states

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