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When to Plant Lettuce in Minnesota

Minnesota spans USDA hardiness 3a to 5a (zones 3a to 5a on this page). Plant lettuce by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.

Jump to: Zone 3a · Zone 3b · Zone 4a · Zone 4b · Zone 5a

Lettuce planting calendar for Minnesota, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 3 guide (both 3a and 3b) →

Lettuce planting calendar for Minnesota, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 3 guide (both 3a and 3b) →

Lettuce planting calendar for Minnesota, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Lettuce planting calendar for Minnesota, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 4 guide (both 4a and 4b) →

Lettuce planting calendar for Minnesota, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 5 guide (both 5a and 5b) →

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

🌱 Grow lettuce 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.

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lettuce — full zone guide