When to plant radishes in Washington

Radishes
Sow outdoors in Seattle
Feb 1–Mar 15

Across Washington the window opens between January 26 and April 3. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Seattle
Feb 1–Mar 15
Fall planting, Seattle
Oct 12–Oct 26
Last frost, Seattle
Mar 8

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. The fastest crop in the garden. Sow a short row every week in spring and fall.

Radishes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
SeattleFeb 1–Mar 15
SpokaneMar 22–May 3
TacomaFeb 1–Mar 15
VancouverFeb 22–Apr 5
BellevueFeb 1–Mar 15
KentFeb 13–Mar 27
EverettFeb 17–Mar 31
Spokane ValleyMar 22–May 3
RentonFeb 6–Mar 20
Federal WayFeb 1–Mar 15
YakimaMar 4–Apr 15
KirklandFeb 1–Mar 15
BellinghamFeb 25–Apr 8
KennewickFeb 21–Apr 4
AuburnFeb 13–Mar 27
PascoMar 23–May 4
RedmondFeb 1–Mar 15
MarysvilleFeb 17–Mar 31
South HillMar 7–Apr 18
ShorelineFeb 1–Mar 15
SammamishFeb 23–Apr 6
RichlandMar 2–Apr 13
LakewoodFeb 4–Mar 18
LaceyMar 25–May 6
OlympiaMar 25–May 6
BothellFeb 1–Mar 15
BurienJan 26–Mar 9
BremertonFeb 22–Apr 5
EdmondsFeb 2–Mar 16
PuyallupMar 7–Apr 18
All 76 cities
CitySow outdoorsFall plantingLast frost
SeattleFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
SpokaneMar 22 to May 3Sep 3 to Sep 17Apr 26
TacomaFeb 1 to Mar 15Oct 3 to Oct 17Mar 8
VancouverFeb 22 to Apr 5Sep 28 to Oct 12Mar 29
BellevueFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
KentFeb 13 to Mar 27Sep 29 to Oct 13Mar 20
EverettFeb 17 to Mar 31Sep 21 to Oct 5Mar 24
Spokane ValleyMar 22 to May 3Sep 3 to Sep 17Apr 26
RentonFeb 6 to Mar 20Oct 5 to Oct 19Mar 13
Federal WayFeb 1 to Mar 15Oct 3 to Oct 17Mar 8
YakimaMar 4 to Apr 15Sep 11 to Sep 25Apr 8
KirklandFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
BellinghamFeb 25 to Apr 8Sep 21 to Oct 5Apr 1
KennewickFeb 21 to Apr 4Sep 18 to Oct 2Mar 28
AuburnFeb 13 to Mar 27Sep 29 to Oct 13Mar 20
PascoMar 23 to May 4Aug 30 to Sep 13Apr 27
RedmondFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
MarysvilleFeb 17 to Mar 31Sep 21 to Oct 5Mar 24
South HillMar 7 to Apr 18Sep 18 to Oct 2Apr 11
ShorelineFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
SammamishFeb 23 to Apr 6Sep 26 to Oct 10Mar 30
RichlandMar 2 to Apr 13Sep 12 to Sep 26Apr 6
LakewoodFeb 4 to Mar 18Oct 10 to Oct 24Mar 11
LaceyMar 25 to May 6Sep 2 to Sep 16Apr 29
OlympiaMar 25 to May 6Sep 2 to Sep 16Apr 29
BothellFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
BurienJan 26 to Mar 9Oct 12 to Oct 26Mar 2
BremertonFeb 22 to Apr 5Oct 3 to Oct 17Mar 29
EdmondsFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
PuyallupMar 7 to Apr 18Sep 18 to Oct 2Apr 11
LynnwoodFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Lake StevensFeb 17 to Mar 31Sep 21 to Oct 5Mar 24
IssaquahFeb 6 to Mar 20Oct 5 to Oct 19Mar 13
ParklandFeb 1 to Mar 15Oct 3 to Oct 17Mar 8
LongviewMar 4 to Apr 15Sep 24 to Oct 8Apr 8
WenatcheeFeb 28 to Apr 11Sep 16 to Sep 30Apr 4
University PlaceFeb 4 to Mar 18Oct 10 to Oct 24Mar 11
Mount VernonFeb 17 to Mar 31Sep 22 to Oct 6Mar 24
GrahamMar 7 to Apr 18Sep 18 to Oct 2Apr 11
SeaTacJan 26 to Mar 9Oct 12 to Oct 26Mar 2
SpanawayMar 7 to Apr 18Sep 18 to Oct 2Apr 11
Walla WallaFeb 20 to Apr 3Sep 19 to Oct 3Mar 27
PullmanApr 1 to May 13May 6
Des MoinesJan 26 to Mar 9Oct 12 to Oct 26Mar 2
OrchardsMar 22 to May 3Sep 4 to Sep 18Apr 26
Maple ValleyMar 16 to Apr 27Sep 13 to Sep 27Apr 20
TumwaterMar 25 to May 6Sep 2 to Sep 16Apr 29
CamasFeb 9 to Mar 23Oct 9 to Oct 23Mar 16
Moses LakeMar 23 to May 4Aug 27 to Sep 10Apr 27
Mill Creek EastFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Mountlake TerraceFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
Mercer IslandFeb 6 to Mar 20Oct 6 to Oct 20Mar 13
Bainbridge IslandFeb 22 to Apr 5Oct 3 to Oct 17Mar 29
KenmoreFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
FredericksonMar 7 to Apr 18Sep 18 to Oct 2Apr 11
Oak HarborFeb 6 to Mar 20Oct 3 to Oct 17Mar 13
North LynnwoodFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Battle GroundMar 22 to May 3Sep 4 to Sep 18Apr 26
EastmontFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Union Hill-Novelty HillFeb 1 to Mar 15Oct 12 to Oct 26Mar 8
Cottage LakeMar 13 to Apr 24Sep 11 to Sep 25Apr 17
Hazel DellMar 22 to May 3Sep 6 to Sep 20Apr 26
Martha LakeFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Bonney LakeMar 7 to Apr 18Sep 18 to Oct 2Apr 11
ArlingtonMar 18 to Apr 29Sep 7 to Sep 21Apr 22
TukwilaJan 26 to Mar 9Oct 12 to Oct 26Mar 2
Silver FirsFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
CovingtonMar 16 to Apr 27Sep 13 to Sep 27Apr 20
Five CornersMar 22 to May 3Sep 6 to Sep 20Apr 26
EllensburgApr 3 to May 15May 8
MukilteoFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
SilverdaleFeb 22 to Apr 5Oct 3 to Oct 17Mar 29
Bothell WestFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Mill CreekFeb 2 to Mar 16Oct 6 to Oct 20Mar 9
Port AngelesFeb 5 to Mar 19Oct 8 to Oct 22Mar 12
MonroeMar 13 to Apr 24Sep 11 to Sep 25Apr 17

Questions

When should I plant radishes in Washington?

In Seattle, sow outdoors from February 1 to March 15. Across Washington the window opens between January 26 and April 3, depending on the local last frost.

How is this date worked out?

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Washington

Radishes in other states

Frost dates for every city in Washington