FrostCal

When to Plant Lettuce in Maine

In a typical Maine location, sow outdoors Apr 4 – Apr 18. Across the state, the outdoor planting window starts as early as Mar 28 in Lewiston and as late as Apr 18 in Sanford. For a fall crop, plant around Aug 15 – Aug 29.

Method Direct sow
Days to maturity 45–60 days

Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.

Lettuce Planting Dates by City

CityDirect sowFall planting
PortlandMar 29 – Apr 12Aug 20 – Sep 3
LewistonMar 28 – Apr 11Aug 24 – Sep 7
BangorApr 6 – Apr 20Aug 9 – Aug 23
West ScarboroughMar 29 – Apr 12Aug 20 – Sep 3
South PortlandMar 29 – Apr 12Aug 20 – Sep 3
South Portland GardensMar 29 – Apr 12Aug 20 – Sep 3
AuburnMar 28 – Apr 11Aug 24 – Sep 7
BiddefordApr 11 – Apr 25Aug 8 – Aug 22
SanfordApr 18 – May 2Aug 5 – Aug 19
SacoApr 11 – Apr 25Aug 8 – Aug 22
AugustaMar 30 – Apr 13Aug 21 – Sep 4
WestbrookMar 29 – Apr 12Aug 20 – Sep 3
WatervilleApr 4 – Apr 18Aug 15 – Aug 29
BrunswickApr 4 – Apr 18Aug 15 – Aug 29
York BeachApr 3 – Apr 17Aug 19 – Sep 2
Wells Beach StationApr 11 – Apr 25Aug 8 – Aug 22
OronoApr 3 – Apr 17Aug 11 – Aug 25
LisbonApr 17 – May 1Aug 7 – Aug 21
North BathApr 12 – Apr 26Aug 11 – Aug 25
BrewerApr 6 – Apr 20Aug 9 – Aug 23
Presque IsleApr 16 – Apr 30Aug 1 – Aug 15

Showing the 21 most populous of 21 Maine cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Maine cities.

Frequently Asked Questions

When should I plant lettuce in Maine?

In a typical Maine location, sow outdoors Apr 4 – Apr 18. Across the state, the outdoor planting window starts as early as Mar 28 in Lewiston and as late as Apr 18 in Sanford. For a fall crop, plant around Aug 15 – Aug 29.

When is the last frost in Maine?

The average last spring frost in Maine ranges from April 25 in Lewiston to May 16 in Sanford, based on NOAA 1991–2020 climate normals.

How long do lettuce take to grow?

Lettuce typically take 45–60 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.

Other Crops in Maine

When to plant lettuce in other states

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