When to plant spinach in Oregon

Sow outdoors in Portland

Jan 14–Feb 4

Across Oregon the window opens between December 31 and April 28. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Portland: Jan 14–Feb 4
Fall planting, Portland: Oct 6–Oct 20
Last frost, Portland: Feb 25

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Spinach bolts as days lengthen. Early spring and fall are its seasons.

Spinach planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

PortlandJan 14–Feb 4

SalemFeb 20–Mar 13

EugeneFeb 28–Mar 21

GreshamFeb 2–Feb 23

HillsboroMar 5–Mar 26

BendApr 25–May 16

BeavertonFeb 18–Mar 11

MedfordFeb 25–Mar 18

CorvallisMar 6–Mar 27

SpringfieldFeb 28–Mar 21

TigardFeb 18–Mar 11

AlbanyMar 6–Mar 27

AlohaDec 31–Jan 21

Lake OswegoFeb 4–Feb 25

Grants PassFeb 25–Mar 18

KeizerFeb 20–Mar 13

RedmondApr 28–May 19

Oregon CityFeb 4–Feb 25

McMinnvilleFeb 22–Mar 15

WoodburnFeb 2–Feb 23

BethanyDec 31–Jan 21

Happy ValleyFeb 4–Feb 25

TualatinFeb 18–Mar 11

WilsonvilleFeb 4–Feb 25

Forest GroveMar 5–Mar 26

NewbergFeb 7–Feb 28

West LinnFeb 4–Feb 25

RoseburgFeb 9–Mar 2

HayesvilleFeb 20–Mar 13

MilwaukieJan 14–Feb 4

All 34 cities

City	Sow outdoors	Fall planting	Last frost
Portland	Jan 14 to Feb 4	Oct 6 to Oct 20	Feb 25
Salem	Feb 20 to Mar 13	Sep 6 to Sep 20	Apr 3
Eugene	Feb 28 to Mar 21	Aug 28 to Sep 11	Apr 11
Gresham	Feb 2 to Feb 23	Sep 25 to Oct 9	Mar 16
Hillsboro	Mar 5 to Mar 26	Aug 28 to Sep 11	Apr 16
Bend	Apr 25 to May 16	Jun 6
Beaverton	Feb 18 to Mar 11	Sep 11 to Sep 25	Apr 1
Medford	Feb 25 to Mar 18	Sep 3 to Sep 17	Apr 8
Corvallis	Mar 6 to Mar 27	Sep 2 to Sep 16	Apr 17
Springfield	Feb 28 to Mar 21	Aug 28 to Sep 11	Apr 11
Tigard	Feb 18 to Mar 11	Sep 11 to Sep 25	Apr 1
Albany	Mar 6 to Mar 27	Sep 2 to Sep 16	Apr 17
Aloha	Dec 31 to Jan 21	Oct 10 to Oct 24	Feb 11
Lake Oswego	Feb 4 to Feb 25	Sep 23 to Oct 7	Mar 18
Grants Pass	Feb 25 to Mar 18	Sep 2 to Sep 16	Apr 8
Keizer	Feb 20 to Mar 13	Sep 6 to Sep 20	Apr 3
Redmond	Apr 28 to May 19	Jun 9
Oregon City	Feb 4 to Feb 25	Sep 23 to Oct 7	Mar 18
McMinnville	Feb 22 to Mar 15	Sep 12 to Sep 26	Apr 5
Woodburn	Feb 2 to Feb 23	Sep 19 to Oct 3	Mar 16
Bethany	Dec 31 to Jan 21	Oct 10 to Oct 24	Feb 11
Happy Valley	Feb 4 to Feb 25	Sep 23 to Oct 7	Mar 18
Tualatin	Feb 18 to Mar 11	Sep 11 to Sep 25	Apr 1
Wilsonville	Feb 4 to Feb 25	Sep 18 to Oct 2	Mar 18
Forest Grove	Mar 5 to Mar 26	Aug 31 to Sep 14	Apr 16
Newberg	Feb 7 to Feb 28	Sep 27 to Oct 11	Mar 21
West Linn	Feb 4 to Feb 25	Sep 23 to Oct 7	Mar 18
Roseburg	Feb 9 to Mar 2	Sep 23 to Oct 7	Mar 23
Hayesville	Feb 20 to Mar 13	Sep 6 to Sep 20	Apr 3
Milwaukie	Jan 14 to Feb 4	Oct 6 to Oct 20	Feb 25
Klamath Falls	Apr 28 to May 19	Jun 9
Ashland	Mar 25 to Apr 15	Aug 13 to Aug 27	May 6
Sherwood	Feb 7 to Feb 28	Sep 27 to Oct 11	Mar 21
Lebanon	Jan 31 to Feb 21	Sep 23 to Oct 7	Mar 14

Questions

When should I plant spinach in Oregon?

In Portland, sow outdoors from January 14 to February 4. Across Oregon the window opens between December 31 and April 28, depending on the local last frost.

How is this date worked out?

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Oregon

Spinach in other states

Frost dates for every city in Oregon