When to plant broccoli in Oregon

Broccoli
Plant out in Portland
Jan 28–Feb 11

Across Oregon the window opens between January 14 and May 12. Find your city below; the dates follow each town's own average last frost.

Start indoors, Portland
Dec 17–Dec 31
Plant out, Portland
Jan 28–Feb 11
Fall planting, Portland
Sep 8–Sep 22
Last frost, Portland
Feb 25

Start seeds indoors 8–10 weeks before the last frost; plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Broccoli grown for a fall harvest often tastes sweeter than spring broccoli. Light frost improves it.

Broccoli planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
PortlandJan 28–Feb 11
SalemMar 6–Mar 20
EugeneMar 14–Mar 28
GreshamFeb 16–Mar 2
HillsboroMar 19–Apr 2
BendMay 9–May 23
BeavertonMar 4–Mar 18
MedfordMar 11–Mar 25
CorvallisMar 20–Apr 3
SpringfieldMar 14–Mar 28
TigardMar 4–Mar 18
AlbanyMar 20–Apr 3
AlohaJan 14–Jan 28
Lake OswegoFeb 18–Mar 4
Grants PassMar 11–Mar 25
KeizerMar 6–Mar 20
RedmondMay 12–May 26
Oregon CityFeb 18–Mar 4
McMinnvilleMar 8–Mar 22
WoodburnFeb 16–Mar 2
BethanyJan 14–Jan 28
Happy ValleyFeb 18–Mar 4
TualatinMar 4–Mar 18
WilsonvilleFeb 18–Mar 4
Forest GroveMar 19–Apr 2
NewbergFeb 21–Mar 7
West LinnFeb 18–Mar 4
RoseburgFeb 23–Mar 9
HayesvilleMar 6–Mar 20
MilwaukieJan 28–Feb 11
All 34 cities
CityStart indoorsPlant outFall plantingLast frost
PortlandDec 17 to Dec 31Jan 28 to Feb 11Sep 8 to Sep 22Feb 25
SalemJan 23 to Feb 6Mar 6 to Mar 20Aug 9 to Aug 23Apr 3
EugeneJan 31 to Feb 14Mar 14 to Mar 28Jul 31 to Aug 14Apr 11
GreshamJan 5 to Jan 19Feb 16 to Mar 2Aug 28 to Sep 11Mar 16
HillsboroFeb 5 to Feb 19Mar 19 to Apr 2Jul 31 to Aug 14Apr 16
BendMar 28 to Apr 11May 9 to May 23Jun 6
BeavertonJan 21 to Feb 4Mar 4 to Mar 18Aug 14 to Aug 28Apr 1
MedfordJan 28 to Feb 11Mar 11 to Mar 25Aug 6 to Aug 20Apr 8
CorvallisFeb 6 to Feb 20Mar 20 to Apr 3Aug 5 to Aug 19Apr 17
SpringfieldJan 31 to Feb 14Mar 14 to Mar 28Jul 31 to Aug 14Apr 11
TigardJan 21 to Feb 4Mar 4 to Mar 18Aug 14 to Aug 28Apr 1
AlbanyFeb 6 to Feb 20Mar 20 to Apr 3Aug 5 to Aug 19Apr 17
AlohaDec 3 to Dec 17Jan 14 to Jan 28Sep 12 to Sep 26Feb 11
Lake OswegoJan 7 to Jan 21Feb 18 to Mar 4Aug 26 to Sep 9Mar 18
Grants PassJan 28 to Feb 11Mar 11 to Mar 25Aug 5 to Aug 19Apr 8
KeizerJan 23 to Feb 6Mar 6 to Mar 20Aug 9 to Aug 23Apr 3
RedmondMar 31 to Apr 14May 12 to May 26Jun 9
Oregon CityJan 7 to Jan 21Feb 18 to Mar 4Aug 26 to Sep 9Mar 18
McMinnvilleJan 25 to Feb 8Mar 8 to Mar 22Aug 15 to Aug 29Apr 5
WoodburnJan 5 to Jan 19Feb 16 to Mar 2Aug 22 to Sep 5Mar 16
BethanyDec 3 to Dec 17Jan 14 to Jan 28Sep 12 to Sep 26Feb 11
Happy ValleyJan 7 to Jan 21Feb 18 to Mar 4Aug 26 to Sep 9Mar 18
TualatinJan 21 to Feb 4Mar 4 to Mar 18Aug 14 to Aug 28Apr 1
WilsonvilleJan 7 to Jan 21Feb 18 to Mar 4Aug 21 to Sep 4Mar 18
Forest GroveFeb 5 to Feb 19Mar 19 to Apr 2Aug 3 to Aug 17Apr 16
NewbergJan 10 to Jan 24Feb 21 to Mar 7Aug 30 to Sep 13Mar 21
West LinnJan 7 to Jan 21Feb 18 to Mar 4Aug 26 to Sep 9Mar 18
RoseburgJan 12 to Jan 26Feb 23 to Mar 9Aug 26 to Sep 9Mar 23
HayesvilleJan 23 to Feb 6Mar 6 to Mar 20Aug 9 to Aug 23Apr 3
MilwaukieDec 17 to Dec 31Jan 28 to Feb 11Sep 8 to Sep 22Feb 25
Klamath FallsMar 31 to Apr 14May 12 to May 26Jun 9
AshlandFeb 25 to Mar 11Apr 8 to Apr 22Jul 16 to Jul 30May 6
SherwoodJan 10 to Jan 24Feb 21 to Mar 7Aug 30 to Sep 13Mar 21
LebanonJan 3 to Jan 17Feb 14 to Feb 28Aug 26 to Sep 9Mar 14

Questions

When should I plant broccoli in Oregon?

In Portland, plant out from January 28 to February 11. Across Oregon the window opens between January 14 and May 12, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–10 weeks before the last frost; plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Oregon

Broccoli in other states

Frost dates for every city in Oregon