When to plant swiss chard in Oregon

Swiss chard
Sow outdoors in Portland
Feb 11–Mar 11

Across Oregon the window opens between January 28 and May 26. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Portland
Feb 11–Mar 11
Last frost, Portland
Feb 25

Sow outdoors from 2 weeks before to 2 weeks after the last frost. Cut outer leaves and the plant keeps going until hard frost.

Swiss chard planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
PortlandFeb 11–Mar 11
SalemMar 20–Apr 17
EugeneMar 28–Apr 25
GreshamMar 2–Mar 30
HillsboroApr 2–Apr 30
BendMay 23–Jun 20
BeavertonMar 18–Apr 15
MedfordMar 25–Apr 22
CorvallisApr 3–May 1
SpringfieldMar 28–Apr 25
TigardMar 18–Apr 15
AlbanyApr 3–May 1
AlohaJan 28–Feb 25
Lake OswegoMar 4–Apr 1
Grants PassMar 25–Apr 22
KeizerMar 20–Apr 17
RedmondMay 26–Jun 23
Oregon CityMar 4–Apr 1
McMinnvilleMar 22–Apr 19
WoodburnMar 2–Mar 30
BethanyJan 28–Feb 25
Happy ValleyMar 4–Apr 1
TualatinMar 18–Apr 15
WilsonvilleMar 4–Apr 1
Forest GroveApr 2–Apr 30
NewbergMar 7–Apr 4
West LinnMar 4–Apr 1
RoseburgMar 9–Apr 6
HayesvilleMar 20–Apr 17
MilwaukieFeb 11–Mar 11
All 34 cities
CitySow outdoorsLast frost
PortlandFeb 11 to Mar 11Feb 25
SalemMar 20 to Apr 17Apr 3
EugeneMar 28 to Apr 25Apr 11
GreshamMar 2 to Mar 30Mar 16
HillsboroApr 2 to Apr 30Apr 16
BendMay 23 to Jun 20Jun 6
BeavertonMar 18 to Apr 15Apr 1
MedfordMar 25 to Apr 22Apr 8
CorvallisApr 3 to May 1Apr 17
SpringfieldMar 28 to Apr 25Apr 11
TigardMar 18 to Apr 15Apr 1
AlbanyApr 3 to May 1Apr 17
AlohaJan 28 to Feb 25Feb 11
Lake OswegoMar 4 to Apr 1Mar 18
Grants PassMar 25 to Apr 22Apr 8
KeizerMar 20 to Apr 17Apr 3
RedmondMay 26 to Jun 23Jun 9
Oregon CityMar 4 to Apr 1Mar 18
McMinnvilleMar 22 to Apr 19Apr 5
WoodburnMar 2 to Mar 30Mar 16
BethanyJan 28 to Feb 25Feb 11
Happy ValleyMar 4 to Apr 1Mar 18
TualatinMar 18 to Apr 15Apr 1
WilsonvilleMar 4 to Apr 1Mar 18
Forest GroveApr 2 to Apr 30Apr 16
NewbergMar 7 to Apr 4Mar 21
West LinnMar 4 to Apr 1Mar 18
RoseburgMar 9 to Apr 6Mar 23
HayesvilleMar 20 to Apr 17Apr 3
MilwaukieFeb 11 to Mar 11Feb 25
Klamath FallsMay 26 to Jun 23Jun 9
AshlandApr 22 to May 20May 6
SherwoodMar 7 to Apr 4Mar 21
LebanonFeb 28 to Mar 28Mar 14

Questions

When should I plant swiss chard in Oregon?

In Portland, sow outdoors from February 11 to March 11. Across Oregon the window opens between January 28 and May 26, depending on the local last frost.

How is this date worked out?

Sow outdoors from 2 weeks before to 2 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Oregon

Swiss chard in other states

Frost dates for every city in Oregon