When to plant lettuce in Cologne
Common questions
When can I sow lettuce outdoors in Cologne?
Direct-sow around late February (Feb 26–Mar 19) in Cologne, based on its local frost dates. Confidence 89%.
When will lettuce be ready to harvest in Cologne?
Expect to harvest from around mid April (Apr 19–May 4) in Cologne, based on its local frost dates. Confidence 80%.
When should I start lettuce seeds indoors in Cologne?
Start seeds indoors around late February (Feb 26–Mar 19) in Cologne, based on its local frost dates. Confidence 85%.
When can I transplant lettuce outdoors in Cologne?
Transplant outdoors around early March (Mar 5–Mar 26) in Cologne, based on its local frost dates. Confidence 89%.
Can I plant lettuce in autumn in Cologne?
Yes — Cologne supports a second, autumn sowing of lettuce around early August (Aug 4–Aug 18), timed to mature before the first fall frost.
How long is the growing season in Cologne?
Cologne has roughly 238 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 Cologne's frost dates.