When to plant lettuce in Pittsburgh
Common questions
When can I sow lettuce outdoors in Pittsburgh?
Direct-sow around mid March (Mar 20–Apr 10) in Pittsburgh, based on its local frost dates. Confidence 81%.
When will lettuce be ready to harvest in Pittsburgh?
Expect to harvest from around mid May (May 11–May 26) in Pittsburgh, based on its local frost dates. Confidence 73%.
When should I start lettuce seeds indoors in Pittsburgh?
Start seeds indoors around mid March (Mar 20–Apr 10) in Pittsburgh, based on its local frost dates. Confidence 77%.
When can I transplant lettuce outdoors in Pittsburgh?
Transplant outdoors around late March (Mar 27–Apr 17) in Pittsburgh, based on its local frost dates. Confidence 81%.
Can I plant lettuce in autumn in Pittsburgh?
Yes — Pittsburgh supports a second, autumn sowing of lettuce around mid July (Jul 20–Aug 3), timed to mature before the first fall frost.
How long is the growing season in Pittsburgh?
Pittsburgh has roughly 188 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 Pittsburgh's frost dates.