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When to Plant Shiso in Alaska

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

Shiso planting calendar for Alaska, Zone 1a

Average last spring frost

May 24

Average first fall frost

August 25

🌱

Start seeds indoors

Apr 12

🌿

Transplant outdoors

May 31

🌾

Projected first harvest

Jul 30

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

Shiso is ready to harvest in about 60 days.

Shiso planting calendar for Alaska, Zone 1b

Average last spring frost

May 29

Average first fall frost

August 28

🌱

Start seeds indoors

Apr 17

🌿

Transplant outdoors

Jun 5

🌾

Projected first harvest

Aug 4

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

Shiso is ready to harvest in about 60 days.

Shiso planting calendar for Alaska, Zone 2a

Average last spring frost

May 24

Average first fall frost

September 5

🌱

Start seeds indoors

Apr 12

🌿

Transplant outdoors

May 31

🌾

Projected first harvest

Jul 30

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

Shiso is ready to harvest in about 60 days.

Shiso planting calendar for Alaska, Zone 2b

Average last spring frost

May 30

Average first fall frost

September 6

🌱

Start seeds indoors

Apr 18

🌿

Transplant outdoors

Jun 6

🌾

Projected first harvest

Aug 5

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

Shiso is ready to harvest in about 60 days.

Shiso planting calendar for Alaska, Zone 3a

Average last spring frost

May 30

Average first fall frost

September 10

🌱

Start seeds indoors

Apr 18

🌿

Transplant outdoors

Jun 6

🌾

Projected first harvest

Aug 5

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

Shiso is ready to harvest in about 60 days. Full zone 3 guide (both 3a and 3b) →

Shiso planting calendar for Alaska, Zone 3b

Average last spring frost

May 20

Average first fall frost

September 15

🌱

Start seeds indoors

Apr 8

🌿

Transplant outdoors

May 27

🌾

Projected first harvest

Jul 26

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

Shiso is ready to harvest in about 60 days. Full zone 3 guide (both 3a and 3b) →

Shiso planting calendar for Alaska, Zone 4a

Average last spring frost

May 15

Average first fall frost

September 20

🌱

Start seeds indoors

Apr 3

🌿

Transplant outdoors

May 22

🌾

Projected first harvest

Jul 21

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

Shiso is ready to harvest in about 60 days. Full zone 4 guide (both 4a and 4b) →

Shiso planting calendar for Alaska, Zone 4b

Average last spring frost

May 10

Average first fall frost

September 25

🌱

Start seeds indoors

Mar 29

🌿

Transplant outdoors

May 17

🌾

Projected first harvest

Jul 16

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

Shiso is ready to harvest in about 60 days. Full zone 4 guide (both 4a and 4b) →

Shiso planting calendar for Alaska, Zone 5a

Average last spring frost

May 5

Average first fall frost

October 1

🌱

Start seeds indoors

Mar 24

🌿

Transplant outdoors

May 12

🌾

Projected first harvest

Jul 11

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

Shiso is ready to harvest in about 60 days. Full zone 5 guide (both 5a and 5b) →

Shiso planting calendar for Alaska, Zone 5b

Average last spring frost

April 30

Average first fall frost

October 5

🌱

Start seeds indoors

Mar 19

🌿

Transplant outdoors

May 7

🌾

Projected first harvest

Jul 6

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

Shiso is ready to harvest in about 60 days. Full zone 5 guide (both 5a and 5b) →

Shiso planting calendar for Alaska, Zone 6a

Average last spring frost

April 25

Average first fall frost

October 10

🌱

Start seeds indoors

Mar 14

🌿

Transplant outdoors

May 2

🌾

Projected first harvest

Jul 1

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

Shiso is ready to harvest in about 60 days. Full zone 6 guide (both 6a and 6b) →

Shiso planting calendar for Alaska, Zone 6b

Average last spring frost

April 20

Average first fall frost

October 15

🌱

Start seeds indoors

Mar 9

🌿

Transplant outdoors

Apr 27

🌾

Projected first harvest

Jun 26

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

Shiso is ready to harvest in about 60 days. Full zone 6 guide (both 6a and 6b) →

Shiso planting calendar for Alaska, Zone 7a

Average last spring frost

April 15

Average first fall frost

October 20

🌱

Start seeds indoors

Mar 4

🌿

Transplant outdoors

Apr 22

🌾

Projected first harvest

Jun 21

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

Shiso is ready to harvest in about 60 days. Full zone 7 guide (both 7a and 7b) →

Shiso planting calendar for Alaska, Zone 7b

Average last spring frost

April 10

Average first fall frost

October 30

🌱

Start seeds indoors

Feb 27

🌿

Transplant outdoors

Apr 17

🌾

Projected first harvest

Jun 16

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

Shiso is ready to harvest in about 60 days. Full zone 7 guide (both 7a and 7b) →

Shiso planting calendar for Alaska, Zone 8a

Average last spring frost

April 1

Average first fall frost

November 10

🌱

Start seeds indoors

Feb 18

🌿

Transplant outdoors

Apr 8

🌾

Projected first harvest

Jun 7

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

Shiso is ready to harvest in about 60 days. Full zone 8 guide (both 8a and 8b) →

Shiso planting calendar for Alaska, Zone 8b

Average last spring frost

March 20

Average first fall frost

November 20

🌱

Start seeds indoors

Feb 6

🌿

Transplant outdoors

Mar 27

🌾

Projected first harvest

May 26

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

Shiso is ready to harvest in about 60 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 shiso in the HomeSown library. Tap any for its full grow guide.

Red Shiso →

Common problems with shiso

What to watch for, with identification and treatment for each

Four-Lined Plant BugCommon Stalk BorerGroundhogsAntsAphidsArmywormsAnthracnoseDamping-OffFrost & Cold InjuryGray MoldHerbicide InjuryMosaic Virus

🌱 Grow shiso 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 →

shiso — full zone guide

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