When to plant lettuce in Hartford
Common questions
When can I sow lettuce outdoors in Hartford?
Direct-sow around late March (Mar 31–Apr 21) in Hartford, based on its local frost dates. Confidence 86%.
When will lettuce be ready to harvest in Hartford?
Expect to harvest from around mid May (May 15–May 30) in Hartford, based on its local frost dates. Confidence 80%.
When should I start lettuce seeds indoors in Hartford?
Start seeds indoors around mid March (Mar 17–Apr 7) in Hartford, based on its local frost dates. Confidence 85%.
When can I transplant lettuce outdoors in Hartford?
Transplant outdoors around late March (Mar 31–Apr 21) in Hartford, based on its local frost dates. Confidence 86%.
Can I plant lettuce in autumn in Hartford?
Yes — Hartford 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 Hartford?
Hartford 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 Hartford's frost dates.