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When to Plant Leeks in Alaska

Alaska spans USDA hardiness 1a to 8b (zones 1a to 8b on this page). Plant leeks 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

Leeks planting calendar for Alaska, Zone 1a

Average last spring frost

May 24

Average first fall frost

August 25

🌿

Direct sow

Nov 23

🌾

Projected first harvest

Jul 21

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 1a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety.

Leeks planting calendar for Alaska, Zone 1b

Average last spring frost

May 29

Average first fall frost

August 28

🌿

Direct sow

Nov 28

🌾

Projected first harvest

Jul 26

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 1b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety.

Leeks planting calendar for Alaska, Zone 2a

Average last spring frost

May 24

Average first fall frost

September 5

🌿

Direct sow

Nov 23

🌾

Projected first harvest

Jul 21

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 2a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety.

Leeks planting calendar for Alaska, Zone 2b

Average last spring frost

May 30

Average first fall frost

September 6

🌿

Direct sow

Nov 29

🌾

Projected first harvest

Jul 27

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 2b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety.

Leeks planting calendar for Alaska, Zone 3a

Average last spring frost

May 30

Average first fall frost

September 10

🌿

Direct sow

Nov 29

🌾

Projected first harvest

Jul 27

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 3 guide (both 3a and 3b) →

Leeks planting calendar for Alaska, Zone 3b

Average last spring frost

May 20

Average first fall frost

September 15

🌿

Direct sow

Nov 19

🌾

Projected first harvest

Jul 17

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 3 guide (both 3a and 3b) →

Leeks planting calendar for Alaska, Zone 4a

Average last spring frost

May 15

Average first fall frost

September 20

🌿

Direct sow

Nov 14

🌾

Projected first harvest

Jul 12

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Leeks planting calendar for Alaska, Zone 4b

Average last spring frost

May 10

Average first fall frost

September 25

🌿

Direct sow

Nov 9

🌾

Projected first harvest

Jul 7

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Leeks planting calendar for Alaska, Zone 5a

Average last spring frost

May 5

Average first fall frost

October 1

🌿

Direct sow

Nov 4

🌾

Projected first harvest

Jul 2

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 5a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

Leeks planting calendar for Alaska, Zone 5b

Average last spring frost

April 30

Average first fall frost

October 5

🌿

Direct sow

Oct 30

🌾

Projected first harvest

Jun 27

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 5b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

Leeks planting calendar for Alaska, Zone 6a

Average last spring frost

April 25

Average first fall frost

October 10

🌿

Direct sow

Oct 25

🌾

Projected first harvest

Jun 22

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Leeks planting calendar for Alaska, Zone 6b

Average last spring frost

April 20

Average first fall frost

October 15

🌿

Direct sow

Oct 20

🌾

Projected first harvest

Jun 17

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Leeks planting calendar for Alaska, Zone 7a

Average last spring frost

April 15

Average first fall frost

October 20

🌿

Direct sow

Oct 15

🌾

Projected first harvest

Jun 12

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

Leeks planting calendar for Alaska, Zone 7b

Average last spring frost

April 10

Average first fall frost

October 30

🌿

Direct sow

Oct 10

🌾

Projected first harvest

Jun 7

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 7 guide (both 7a and 7b) →

Leeks planting calendar for Alaska, Zone 8a

Average last spring frost

April 1

Average first fall frost

November 10

🌿

Direct sow

Oct 1

🌾

Projected first harvest

May 29

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8a (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. Full zone 8 guide (both 8a and 8b) →

Leeks planting calendar for Alaska, Zone 8b

Average last spring frost

March 20

Average first fall frost

November 20

🌿

Direct sow

Sep 19

🌾

Projected first harvest

May 17

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 8b (approximate)

Most leeks mature in about 130 to 240 days depending on the variety. 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

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

Elephant Garlic →Leek →

Common problems with leeks

What to watch for, with identification and treatment for each

Leek MothOnion MaggotBulb MiteGroundhogsAntsAphidsPink RootBotrytis Neck RotFusarium Basal RotWhite RotBulb RotBolting

🌱 Grow leeks 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 →

leeks — full zone guide

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