Explore LibraryStart free trial
← Plant Library

When to Plant Lettuce in Zone 3

In USDA zone 3, start seeds indoors around April 11, transplant or plant outdoors May 16 to July 10, and expect your first harvest around July 10. Zone 3 also has a fall planting window opening around July 2.

Lettuce planting calendar for USDA Zone 3

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. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 3 means for lettuce

Average last spring frost

May 30

Average first fall frost

September 10

Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and lettuce need about 45 to 85 days depending on the variety to mature.

🌱 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 →