When to plant lettuce in Tokyo
Common questions
When can I sow lettuce outdoors in Tokyo?
Direct-sow around late February (Feb 28–Mar 21) in Tokyo, based on its local frost dates. Confidence 45%.
When will lettuce be ready to harvest in Tokyo?
Expect to harvest from around late April (Apr 21–May 6) in Tokyo, based on its local frost dates. Confidence 40%.
When should I start lettuce seeds indoors in Tokyo?
Start seeds indoors around late February (Feb 28–Mar 21) in Tokyo, based on its local frost dates. Confidence 43%.
When can I transplant lettuce outdoors in Tokyo?
Transplant outdoors around early March (Mar 7–Mar 28) in Tokyo, based on its local frost dates. Confidence 45%.
Can I plant lettuce in autumn in Tokyo?
Yes — Tokyo supports a second, autumn sowing of lettuce around mid September (Sep 13–Sep 27), timed to mature before the first fall frost.
How long is the growing season in Tokyo?
Tokyo has roughly 258 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 Tokyo's frost dates.