Explore LibraryStart free trial
← Plant Library

When to Plant Kohlrabi in Alaska

Alaska spans USDA hardiness 1a to 8b (zones 1a to 8b on this page). Plant kohlrabi by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.

Jump to: Zone 1a · Zone 1b · Zone 2a · Zone 2b · Zone 3a · Zone 3b · Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a · Zone 7b · Zone 8a · Zone 8b

Kohlrabi planting calendar for Alaska, Zone 1a

Average last spring frost

May 24

Average first fall frost

August 25

spring planting

🌱

Start seeds indoors

Apr 5

🌿

Transplant outdoors

May 10

🌾

Projected first harvest

Jul 4

fall planting

🌿

Direct sow

Jun 16

🌾

Projected first harvest

Aug 10

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 1a (approximate)

Kohlrabi is ready to harvest in about 55 days.

Kohlrabi planting calendar for Alaska, Zone 1b

Average last spring frost

May 29

Average first fall frost

August 28

spring planting

🌱

Start seeds indoors

Apr 10

🌿

Transplant outdoors

May 15

🌾

Projected first harvest

Jul 9

fall planting

🌿

Direct sow

Jun 19

🌾

Projected first harvest

Aug 13

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 1b (approximate)

Kohlrabi is ready to harvest in about 55 days.

Kohlrabi planting calendar for Alaska, Zone 2a

Average last spring frost

May 24

Average first fall frost

September 5

spring planting

🌱

Start seeds indoors

Apr 5

🌿

Transplant outdoors

May 10

🌾

Projected first harvest

Jul 4

fall planting

🌿

Direct sow

Jun 27

🌾

Projected first harvest

Aug 21

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 2a (approximate)

Kohlrabi is ready to harvest in about 55 days.

Kohlrabi planting calendar for Alaska, Zone 2b

Average last spring frost

May 30

Average first fall frost

September 6

spring planting

🌱

Start seeds indoors

Apr 11

🌿

Transplant outdoors

May 16

🌾

Projected first harvest

Jul 10

fall planting

🌿

Direct sow

Jun 28

🌾

Projected first harvest

Aug 22

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 2b (approximate)

Kohlrabi is ready to harvest in about 55 days.

Kohlrabi planting calendar for Alaska, Zone 3a

Average last spring frost

May 30

Average first fall frost

September 10

spring planting

🌱

Start seeds indoors

Apr 11

🌿

Transplant outdoors

May 16

🌾

Projected first harvest

Jul 10

fall planting

🌿

Direct sow

Jul 2

🌾

Projected first harvest

Aug 26

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3a (approximate)

Kohlrabi is ready to harvest in about 55 days. Full zone 3 guide (both 3a and 3b) →

Kohlrabi planting calendar for Alaska, Zone 3b

Average last spring frost

May 20

Average first fall frost

September 15

spring planting

🌱

Start seeds indoors

Apr 1

🌿

Transplant outdoors

May 6

🌾

Projected first harvest

Jun 30

fall planting

🌿

Direct sow

Jul 7

🌾

Projected first harvest

Aug 31

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3b (approximate)

Kohlrabi is ready to harvest in about 55 days. Full zone 3 guide (both 3a and 3b) →

Kohlrabi planting calendar for Alaska, Zone 4a

Average last spring frost

May 15

Average first fall frost

September 20

spring planting

🌱

Start seeds indoors

Mar 27

🌿

Transplant outdoors

May 1

🌾

Projected first harvest

Jun 25

fall planting

🌿

Direct sow

Jul 12

🌾

Projected first harvest

Sep 5

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 4 guide (both 4a and 4b) →

Kohlrabi planting calendar for Alaska, Zone 4b

Average last spring frost

May 10

Average first fall frost

September 25

spring planting

🌱

Start seeds indoors

Mar 22

🌿

Transplant outdoors

Apr 26

🌾

Projected first harvest

Jun 20

fall planting

🌿

Direct sow

Jul 17

🌾

Projected first harvest

Sep 10

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 4 guide (both 4a and 4b) →

Kohlrabi planting calendar for Alaska, Zone 5a

Average last spring frost

May 5

Average first fall frost

October 1

spring planting

🌱

Start seeds indoors

Mar 17

🌿

Transplant outdoors

Apr 21

🌾

Projected first harvest

Jun 15

fall planting

🌿

Direct sow

Jul 23

🌾

Projected first harvest

Sep 16

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 5 guide (both 5a and 5b) →

Kohlrabi planting calendar for Alaska, 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 10

fall planting

🌿

Direct sow

Jul 27

🌾

Projected first harvest

Sep 20

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 5 guide (both 5a and 5b) →

Kohlrabi planting calendar for Alaska, 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 5

fall planting

🌿

Direct sow

Aug 1

🌾

Projected first harvest

Sep 25

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 6 guide (both 6a and 6b) →

Kohlrabi planting calendar for Alaska, 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

May 31

fall planting

🌿

Direct sow

Aug 6

🌾

Projected first harvest

Sep 30

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 6 guide (both 6a and 6b) →

Kohlrabi planting calendar for Alaska, 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 26

fall planting

🌿

Direct sow

Aug 11

🌾

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 7a (approximate)

Kohlrabi is ready to harvest in about 55 days. Full zone 7 guide (both 7a and 7b) →

Kohlrabi planting calendar for Alaska, 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 21

fall planting

🌿

Direct sow

Aug 21

🌾

Projected first harvest

Oct 15

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 7 guide (both 7a and 7b) →

Kohlrabi planting calendar for Alaska, 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 12

fall planting

🌿

Direct sow

Sep 1

🌾

Projected first harvest

Oct 26

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 8 guide (both 8a and 8b) →

Kohlrabi planting calendar for Alaska, 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

Apr 30

fall planting

🌿

Direct sow

Sep 11

🌾

Projected first harvest

Nov 5

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

spring planting

fall planting

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

Kohlrabi is ready to harvest in about 55 days. Full zone 8 guide (both 8a and 8b) →

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

Varieties to grow

1 variety of kohlrabi in the HomeSown library. Tap any for its full grow guide.

Kohlrabi →

Common problems with kohlrabi

What to watch for, with identification and treatment for each

Cabbage MaggotCabbage Root MaggotDiamondback MothHarlequin BugCabbage WormsCabbage LooperClubrootBlack RotBoron DeficiencyBoltingBacterial Soft RotAlternaria Leaf Spot

🌱 Grow kohlrabi 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 →

kohlrabi — full zone guide

All zonesZone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →