FrostCal

When to Plant Radishes in Washington

In a typical Washington location, sow outdoors Feb 17 – Mar 3. Across the state, the outdoor planting window starts as early as Jan 25 in Port Townsend and as late as Apr 25 in Cheney. For a fall crop, plant around Sep 29 – Oct 13.

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
SeattleFeb 6 – Feb 20Oct 6 – Oct 20
Tri-CitiesMar 23 – Apr 6Aug 30 – Sep 13
SpokaneMar 22 – Apr 5Sep 3 – Sep 17
TacomaFeb 1 – Feb 15Oct 3 – Oct 17
VancouverFeb 22 – Mar 8Sep 28 – Oct 12
BellevueFeb 1 – Feb 15Oct 12 – Oct 26
KentFeb 13 – Feb 27Sep 29 – Oct 13
EverettFeb 17 – Mar 3Sep 21 – Oct 5
RentonFeb 6 – Feb 20Oct 5 – Oct 19
Federal WayFeb 1 – Feb 15Oct 3 – Oct 17
Spokane ValleyMar 22 – Apr 5Sep 3 – Sep 17
YakimaApr 3 – Apr 17Aug 23 – Sep 6
KirklandFeb 1 – Feb 15Oct 12 – Oct 26
BellinghamFeb 25 – Mar 11Sep 21 – Oct 5
KennewickFeb 21 – Mar 7Sep 18 – Oct 2
AuburnFeb 13 – Feb 27Sep 29 – Oct 13
PascoFeb 21 – Mar 7Sep 18 – Oct 2
MarysvilleFeb 17 – Mar 3Sep 21 – Oct 5
RedmondFeb 1 – Feb 15Oct 12 – Oct 26
LakewoodFeb 4 – Feb 18Oct 10 – Oct 24
OlympiaMar 25 – Apr 8Sep 2 – Sep 16
ShorelineFeb 1 – Feb 15Oct 12 – Oct 26
RichlandMar 2 – Mar 16Sep 12 – Sep 26
South HillMar 7 – Mar 21Sep 18 – Oct 2
SammamishFeb 1 – Feb 15Oct 12 – Oct 26
BurienJan 26 – Feb 9Oct 12 – Oct 26
LaceyMar 25 – Apr 8Sep 2 – Sep 16
City of SammamishFeb 23 – Mar 9Sep 26 – Oct 10
BothellFeb 1 – Feb 15Oct 12 – Oct 26
EdmondsFeb 2 – Feb 16Oct 6 – Oct 20

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 radishes in Washington?

In a typical Washington location, sow outdoors Feb 17 – Mar 3. Across the state, the outdoor planting window starts as early as Jan 25 in Port Townsend and as late as Apr 25 in Cheney. For a fall crop, plant around Sep 29 – Oct 13.

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 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 Washington

When to plant radishes in other states

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