When to plant lettuce in London
Common questions
When can I sow lettuce outdoors in London?
Direct-sow around early March (Mar 9–Mar 30) in London, based on its local frost dates. Confidence 82%.
When will lettuce be ready to harvest in London?
Expect to harvest from around late April (Apr 30–May 15) in London, based on its local frost dates. Confidence 74%.
When should I start lettuce seeds indoors in London?
Start seeds indoors around early March (Mar 9–Mar 30) in London, based on its local frost dates. Confidence 78%.
When can I transplant lettuce outdoors in London?
Transplant outdoors around mid March (Mar 16–Apr 6) in London, based on its local frost dates. Confidence 82%.
Can I plant lettuce in autumn in London?
Yes — London supports a second, autumn sowing of lettuce around early August (Aug 7–Aug 21), timed to mature before the first fall frost.
How long is the growing season in London?
London has roughly 234 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 London's frost dates.