When to plant Lettuce in Vermont

In spring, from Apr 1 – June 1 in Burlington to Apr 15 – June 15 in Rutland.

In fall, from June 1 – Aug 1 in Rutland to July 15 – Sept 1 in South Burlington.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Leaf lettuce planting dates by place in Vermont
PlaceSpringFall
BurlingtonApr 1 – June 1July 15 – Sept 1
Essex JunctionApr 1 – June 1July 15 – Sept 1
RutlandApr 15 – June 15June 1 – Aug 1
South BurlingtonApr 1 – June 1July 15 – Sept 1

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for leaf lettuce.