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When to Plant Lettuce in Maine

Maine spans USDA hardiness 3b to 7a (zones 3b to 7a 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 3b · Zone 4a · Zone 4b · Zone 5a · Zone 5b · Zone 6a · Zone 6b · Zone 7a

Lettuce planting calendar for Maine, 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 Maine, 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 Maine, 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 Maine, 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) →

Lettuce planting calendar for Maine, 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)

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

Lettuce planting calendar for Maine, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Lettuce planting calendar for Maine, 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)

Most lettuce mature in about 45 to 85 days depending on the variety. Full zone 6 guide (both 6a and 6b) →

Lettuce planting calendar for Maine, 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)

Most lettuce mature in about 45 to 85 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

12 varieties of lettuce in the HomeSown library. Tap any for its full grow guide.

Bibb Lettuce →Black Seeded Simpson Lettuce →Buttercrunch Lettuce →Celtuce →Green Leaf Lettuce →Iceberg Lettuce →Little Gem Lettuce →Lollo Rossa Lettuce →Oakleaf Lettuce →Red Leaf Lettuce →Romaine Lettuce →Salad Bowl Lettuce →

Common problems with lettuce

What to watch for, with identification and treatment for each

WirewormsCabbage LooperFlea BeetlesBlister BeetlesFour-Lined Plant BugCommon Stalk BorerBottom RotTip BurnBoltingBacterial Soft RotAster YellowsCercospora Leaf Spot

🌱 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.

Start your free garden →

lettuce — full zone guide

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