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When to Plant Rutabaga in Idaho

Idaho spans USDA hardiness 4a to 7b (zones 4a to 7b on this page). Plant rutabaga by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.

Jump to: Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b

Rutabaga planting calendar for Idaho, Zone 4a

Average last spring frost

May 15

Average first fall frost

September 20

spring planting

🌱

Start seeds indoors

Mar 13

🌿

Transplant outdoors

Apr 17

🌾

Projected first harvest

Jun 16

fall planting

🌱

Start seeds indoors

Jun 21

🌿

Transplant outdoors

Jul 26

🌾

Projected first harvest

Sep 24

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4a (approximate)

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Rutabaga planting calendar for Idaho, Zone 4b

Average last spring frost

May 10

Average first fall frost

September 25

spring planting

🌱

Start seeds indoors

Mar 8

🌿

Transplant outdoors

Apr 12

🌾

Projected first harvest

Jun 11

fall planting

🌱

Start seeds indoors

Jun 26

🌿

Transplant outdoors

Jul 31

🌾

Projected first harvest

Sep 29

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4b (approximate)

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Rutabaga planting calendar for Idaho, Zone 5a

Average last spring frost

May 5

Average first fall frost

October 1

spring planting

🌱

Start seeds indoors

Mar 3

🌿

Transplant outdoors

Apr 7

🌾

Projected first harvest

Jun 6

fall planting

🌱

Start seeds indoors

Jul 2

🌿

Transplant outdoors

Aug 6

🌾

Projected first harvest

Oct 5

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

spring planting

fall planting

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

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

Rutabaga planting calendar for Idaho, Zone 5b

Average last spring frost

April 30

Average first fall frost

October 5

spring planting

🌱

Start seeds indoors

Feb 26

🌿

Transplant outdoors

Apr 2

🌾

Projected first harvest

Jun 1

fall planting

🌱

Start seeds indoors

Jul 6

🌿

Transplant outdoors

Aug 10

🌾

Projected first harvest

Oct 9

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

spring planting

fall planting

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

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

Rutabaga planting calendar for Idaho, Zone 6a

Average last spring frost

April 25

Average first fall frost

October 10

spring planting

🌱

Start seeds indoors

Feb 21

🌿

Transplant outdoors

Mar 28

🌾

Projected first harvest

May 27

fall planting

🌱

Start seeds indoors

Jul 11

🌿

Transplant outdoors

Aug 15

🌾

Projected first harvest

Oct 14

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

spring planting

fall planting

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

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Rutabaga planting calendar for Idaho, Zone 6b

Average last spring frost

April 20

Average first fall frost

October 15

spring planting

🌱

Start seeds indoors

Feb 16

🌿

Transplant outdoors

Mar 23

🌾

Projected first harvest

May 22

fall planting

🌱

Start seeds indoors

Jul 16

🌿

Transplant outdoors

Aug 20

🌾

Projected first harvest

Oct 19

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

spring planting

fall planting

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

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Rutabaga planting calendar for Idaho, Zone 7a

Average last spring frost

April 15

Average first fall frost

October 20

spring planting

🌱

Start seeds indoors

Feb 11

🌿

Transplant outdoors

Mar 18

🌾

Projected first harvest

May 17

fall planting

🌱

Start seeds indoors

Jul 21

🌿

Transplant outdoors

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 7a (approximate)

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

Rutabaga planting calendar for Idaho, Zone 7b

Average last spring frost

April 10

Average first fall frost

October 30

spring planting

🌱

Start seeds indoors

Feb 6

🌿

Transplant outdoors

Mar 13

🌾

Projected first harvest

May 12

fall planting

🌱

Start seeds indoors

Jul 31

🌿

Transplant outdoors

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 7b (approximate)

Most rutabaga mature in about 50 to 90 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

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

Varieties to grow

3 varieties of rutabaga in the HomeSown library. Tap any for its full grow guide.

Dwarf Siberian Kale →Red Russian Kale →Rutabaga →

Common problems with rutabaga

What to watch for, with identification and treatment for each

WirewormsCabbage MaggotCabbage Root MaggotDiamondback MothHarlequin BugCabbage WormsCommon ScabForkingWoody RootsHollow HeartClubrootBlack Rot

🌱 Grow rutabaga 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 →

rutabaga — full zone guide

All zonesZone 4 →Zone 5 →Zone 6 →Zone 7 →