When to plant collard greens in Washington

Plant out in Seattle

Feb 8–Feb 22

Across Washington the window opens between February 2 and April 10. Find your city below; the dates follow each town's own average last frost.

Plant out, Seattle: Feb 8–Feb 22
Fall planting, Seattle: Aug 31–Sep 14
Last frost, Seattle: Mar 8

Plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Collards handle both heat and frost better than most greens.

Collard greens planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

SeattleFeb 8–Feb 22

SpokaneMar 29–Apr 12

TacomaFeb 8–Feb 22

VancouverMar 1–Mar 15

BellevueFeb 8–Feb 22

KentFeb 20–Mar 6

EverettFeb 24–Mar 10

Spokane ValleyMar 29–Apr 12

RentonFeb 13–Feb 27

Federal WayFeb 8–Feb 22

YakimaMar 11–Mar 25

KirklandFeb 8–Feb 22

BellinghamMar 4–Mar 18

KennewickFeb 28–Mar 14

AuburnFeb 20–Mar 6

PascoMar 30–Apr 13

RedmondFeb 8–Feb 22

MarysvilleFeb 24–Mar 10

South HillMar 14–Mar 28

ShorelineFeb 8–Feb 22

SammamishMar 2–Mar 16

RichlandMar 9–Mar 23

LakewoodFeb 11–Feb 25

LaceyApr 1–Apr 15

OlympiaApr 1–Apr 15

BothellFeb 8–Feb 22

BurienFeb 2–Feb 16

BremertonMar 1–Mar 15

EdmondsFeb 9–Feb 23

PuyallupMar 14–Mar 28

All 76 cities

City	Plant out	Fall planting	Last frost
Seattle	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Spokane	Mar 29 to Apr 12	Jul 23 to Aug 6	Apr 26
Tacoma	Feb 8 to Feb 22	Aug 22 to Sep 5	Mar 8
Vancouver	Mar 1 to Mar 15	Aug 17 to Aug 31	Mar 29
Bellevue	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Kent	Feb 20 to Mar 6	Aug 18 to Sep 1	Mar 20
Everett	Feb 24 to Mar 10	Aug 10 to Aug 24	Mar 24
Spokane Valley	Mar 29 to Apr 12	Jul 23 to Aug 6	Apr 26
Renton	Feb 13 to Feb 27	Aug 24 to Sep 7	Mar 13
Federal Way	Feb 8 to Feb 22	Aug 22 to Sep 5	Mar 8
Yakima	Mar 11 to Mar 25	Jul 31 to Aug 14	Apr 8
Kirkland	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Bellingham	Mar 4 to Mar 18	Aug 10 to Aug 24	Apr 1
Kennewick	Feb 28 to Mar 14	Aug 7 to Aug 21	Mar 28
Auburn	Feb 20 to Mar 6	Aug 18 to Sep 1	Mar 20
Pasco	Mar 30 to Apr 13	Jul 19 to Aug 2	Apr 27
Redmond	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Marysville	Feb 24 to Mar 10	Aug 10 to Aug 24	Mar 24
South Hill	Mar 14 to Mar 28	Aug 7 to Aug 21	Apr 11
Shoreline	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Sammamish	Mar 2 to Mar 16	Aug 15 to Aug 29	Mar 30
Richland	Mar 9 to Mar 23	Aug 1 to Aug 15	Apr 6
Lakewood	Feb 11 to Feb 25	Aug 29 to Sep 12	Mar 11
Lacey	Apr 1 to Apr 15	Jul 22 to Aug 5	Apr 29
Olympia	Apr 1 to Apr 15	Jul 22 to Aug 5	Apr 29
Bothell	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Burien	Feb 2 to Feb 16	Aug 31 to Sep 14	Mar 2
Bremerton	Mar 1 to Mar 15	Aug 22 to Sep 5	Mar 29
Edmonds	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Puyallup	Mar 14 to Mar 28	Aug 7 to Aug 21	Apr 11
Lynnwood	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Lake Stevens	Feb 24 to Mar 10	Aug 10 to Aug 24	Mar 24
Issaquah	Feb 13 to Feb 27	Aug 24 to Sep 7	Mar 13
Parkland	Feb 8 to Feb 22	Aug 22 to Sep 5	Mar 8
Longview	Mar 11 to Mar 25	Aug 13 to Aug 27	Apr 8
Wenatchee	Mar 7 to Mar 21	Aug 5 to Aug 19	Apr 4
University Place	Feb 11 to Feb 25	Aug 29 to Sep 12	Mar 11
Mount Vernon	Feb 24 to Mar 10	Aug 11 to Aug 25	Mar 24
Graham	Mar 14 to Mar 28	Aug 7 to Aug 21	Apr 11
SeaTac	Feb 2 to Feb 16	Aug 31 to Sep 14	Mar 2
Spanaway	Mar 14 to Mar 28	Aug 7 to Aug 21	Apr 11
Walla Walla	Feb 27 to Mar 13	Aug 8 to Aug 22	Mar 27
Pullman	Apr 8 to Apr 22	May 6
Des Moines	Feb 2 to Feb 16	Aug 31 to Sep 14	Mar 2
Orchards	Mar 29 to Apr 12	Jul 24 to Aug 7	Apr 26
Maple Valley	Mar 23 to Apr 6	Aug 2 to Aug 16	Apr 20
Tumwater	Apr 1 to Apr 15	Jul 22 to Aug 5	Apr 29
Camas	Feb 16 to Mar 2	Aug 28 to Sep 11	Mar 16
Moses Lake	Mar 30 to Apr 13	Jul 16 to Jul 30	Apr 27
Mill Creek East	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Mountlake Terrace	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Mercer Island	Feb 13 to Feb 27	Aug 25 to Sep 8	Mar 13
Bainbridge Island	Mar 1 to Mar 15	Aug 22 to Sep 5	Mar 29
Kenmore	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Frederickson	Mar 14 to Mar 28	Aug 7 to Aug 21	Apr 11
Oak Harbor	Feb 13 to Feb 27	Aug 22 to Sep 5	Mar 13
North Lynnwood	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Battle Ground	Mar 29 to Apr 12	Jul 24 to Aug 7	Apr 26
Eastmont	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Union Hill-Novelty Hill	Feb 8 to Feb 22	Aug 31 to Sep 14	Mar 8
Cottage Lake	Mar 20 to Apr 3	Jul 31 to Aug 14	Apr 17
Hazel Dell	Mar 29 to Apr 12	Jul 26 to Aug 9	Apr 26
Martha Lake	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Bonney Lake	Mar 14 to Mar 28	Aug 7 to Aug 21	Apr 11
Arlington	Mar 25 to Apr 8	Jul 27 to Aug 10	Apr 22
Tukwila	Feb 2 to Feb 16	Aug 31 to Sep 14	Mar 2
Silver Firs	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Covington	Mar 23 to Apr 6	Aug 2 to Aug 16	Apr 20
Five Corners	Mar 29 to Apr 12	Jul 26 to Aug 9	Apr 26
Ellensburg	Apr 10 to Apr 24	May 8
Mukilteo	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Silverdale	Mar 1 to Mar 15	Aug 22 to Sep 5	Mar 29
Bothell West	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Mill Creek	Feb 9 to Feb 23	Aug 25 to Sep 8	Mar 9
Port Angeles	Feb 12 to Feb 26	Aug 27 to Sep 10	Mar 12
Monroe	Mar 20 to Apr 3	Jul 31 to Aug 14	Apr 17

Questions

When should I plant collard greens in Washington?

In Seattle, plant out from February 8 to February 22. Across Washington the window opens between February 2 and April 10, depending on the local last frost.

How is this date worked out?

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 Washington

Collard greens in other states

Frost dates for every city in Washington