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Sprout Authority

Growing lettuce in zone 5b

In USDA zone 5b, the typical last spring frost is May 1 and the first fall frost is October 10. Here is when to plant lettuce against those dates.

Start seeds indoorsMarch 20 to March 27
Transplant outdoorsMay 1
Direct sow outdoorsApril 10 to April 17
Plant in fallJuly 11 to August 15

These are zone 5b averages

Computed from 2,843 ZIP codes in zone 5b. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.

Get my exact dates

USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Planting windows for lettuce from Utah State University Extension. Zone dates are medians; local conditions vary.