When to plant lettuce in Boston
Common questions
When can I sow lettuce outdoors in Boston?
Direct-sow around late March (Mar 31–Apr 21) in Boston, based on its local frost dates. Confidence 86%.
When will lettuce be ready to harvest in Boston?
Expect to harvest from around mid May (May 15–May 30) in Boston, based on its local frost dates. Confidence 80%.
When should I start lettuce seeds indoors in Boston?
Start seeds indoors around early March (Mar 7–Mar 28) in Boston, based on its local frost dates. Confidence 85%.
When can I transplant lettuce outdoors in Boston?
Transplant outdoors around late March (Mar 31–Apr 21) in Boston, based on its local frost dates. Confidence 86%.
Can I plant lettuce in autumn in Boston?
Yes — Boston supports a second, autumn sowing of lettuce around mid August (Aug 11–Aug 25), timed to mature before the first fall frost.
How long is the growing season in Boston?
Boston has roughly 220 frost-free days, which is enough time to grow lettuce to maturity outdoors.
Sow lettuce as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Boston's frost dates.