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When to Plant Swiss Chard in Oregon

Oregon spans USDA hardiness 5b to 9b (zones 5b to 9b on this page). Plant swiss chard by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.

Jump to: Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a · Zone 8b · Zone 9a · Zone 9b

Swiss Chard planting calendar for Oregon, Zone 5b

Average last spring frost

April 30

Average first fall frost

October 5

spring planting

🌱

Start seeds indoors

Mar 12

🌿

Transplant outdoors

Apr 16

🌾

Projected first harvest

Jun 15

fall planting

🌿

Direct sow

Jul 20

🌾

Projected first harvest

Sep 18

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 5b (approximate)

Most swiss chard mature in about 60 days. Full zone 5 guide (both 5a and 5b) →

Swiss Chard planting calendar for Oregon, Zone 6a

Average last spring frost

April 25

Average first fall frost

October 10

spring planting

🌱

Start seeds indoors

Mar 7

🌿

Transplant outdoors

Apr 11

🌾

Projected first harvest

Jun 10

fall planting

🌿

Direct sow

Jul 25

🌾

Projected first harvest

Sep 23

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6a (approximate)

Most swiss chard mature in about 60 days. Full zone 6 guide (both 6a and 6b) →

Swiss Chard planting calendar for Oregon, Zone 6b

Average last spring frost

April 20

Average first fall frost

October 15

spring planting

🌱

Start seeds indoors

Mar 2

🌿

Transplant outdoors

Apr 6

🌾

Projected first harvest

Jun 5

fall planting

🌿

Direct sow

Jul 30

🌾

Projected first harvest

Sep 28

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6b (approximate)

Most swiss chard mature in about 60 days. Full zone 6 guide (both 6a and 6b) →

Swiss Chard planting calendar for Oregon, Zone 7a

Average last spring frost

April 15

Average first fall frost

October 20

spring planting

🌱

Start seeds indoors

Feb 25

🌿

Transplant outdoors

Apr 1

🌾

Projected first harvest

May 31

fall planting

🌿

Direct sow

Aug 4

🌾

Projected first harvest

Oct 3

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a (approximate)

Most swiss chard mature in about 60 days. Full zone 7 guide (both 7a and 7b) →

Swiss Chard planting calendar for Oregon, Zone 7b

Average last spring frost

April 10

Average first fall frost

October 30

spring planting

🌱

Start seeds indoors

Feb 20

🌿

Transplant outdoors

Mar 27

🌾

Projected first harvest

May 26

fall planting

🌿

Direct sow

Aug 14

🌾

Projected first harvest

Oct 13

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7b (approximate)

Most swiss chard mature in about 60 days. Full zone 7 guide (both 7a and 7b) →

Swiss Chard planting calendar for Oregon, Zone 8a

Average last spring frost

April 1

Average first fall frost

November 10

spring planting

🌱

Start seeds indoors

Feb 11

🌿

Transplant outdoors

Mar 18

🌾

Projected first harvest

May 17

fall planting

🌿

Direct sow

Aug 25

🌾

Projected first harvest

Oct 24

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8a (approximate)

Most swiss chard mature in about 60 days. Full zone 8 guide (both 8a and 8b) →

Swiss Chard planting calendar for Oregon, Zone 8b

Average last spring frost

March 20

Average first fall frost

November 20

spring planting

🌱

Start seeds indoors

Jan 30

🌿

Transplant outdoors

Mar 6

🌾

Projected first harvest

May 5

fall planting

🌿

Direct sow

Sep 4

🌾

Projected first harvest

Nov 3

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8b (approximate)

Most swiss chard mature in about 60 days. Full zone 8 guide (both 8a and 8b) →

Swiss Chard planting calendar for Oregon, Zone 9a

Average last spring frost

March 1

Average first fall frost

December 1

spring planting

🌱

Start seeds indoors

Jan 11

🌿

Transplant outdoors

Feb 15

🌾

Projected first harvest

Apr 16

fall planting

🌿

Direct sow

Sep 15

🌾

Projected first harvest

Nov 14

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 9a (approximate)

Most swiss chard mature in about 60 days. Full zone 9 guide (both 9a and 9b) →

Swiss Chard planting calendar for Oregon, Zone 9b

Average last spring frost

February 15

Average first fall frost

December 15

spring planting

🌱

Start seeds indoors

Dec 28

🌿

Transplant outdoors

Feb 1

🌾

Projected first harvest

Apr 2

fall planting

🌿

Direct sow

Sep 29

🌾

Projected first harvest

Nov 28

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 9b (approximate)

Most swiss chard mature in about 60 days. Full zone 9 guide (both 9a and 9b) →

Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.

Varieties to grow

2 varieties of swiss chard in the HomeSown library. Tap any for its full grow guide.

Rainbow Chard →Swiss Chard →

Common problems with swiss chard

What to watch for, with identification and treatment for each

Cabbage LooperFlea BeetlesBlister BeetlesGroundhogsAntsAphidsBottom RotTip BurnBoltingBacterial Soft RotAster YellowsCercospora Leaf Spot

🌱 Grow swiss chard with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →

swiss chard — full zone guide

All zonesZone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →