When to plant lettuce in Baltimore
Common questions
When can I sow lettuce outdoors in Baltimore?
Direct-sow around late February (Feb 21–Mar 14) in Baltimore, based on its local frost dates. Confidence 84%.
When will lettuce be ready to harvest in Baltimore?
Expect to harvest from around mid April (Apr 14–Apr 29) in Baltimore, based on its local frost dates. Confidence 76%.
When should I start lettuce seeds indoors in Baltimore?
Start seeds indoors around late February (Feb 21–Mar 14) in Baltimore, based on its local frost dates. Confidence 80%.
When can I transplant lettuce outdoors in Baltimore?
Transplant outdoors around late February (Feb 28–Mar 21) in Baltimore, based on its local frost dates. Confidence 84%.
Can I plant lettuce in autumn in Baltimore?
Yes — Baltimore supports a second, autumn sowing of lettuce around late August (Aug 21–Sep 4), timed to mature before the first fall frost.
How long is the growing season in Baltimore?
Baltimore has roughly 249 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 Baltimore's frost dates.