When to plant swiss chard in Tokyo
Common questions
When can I sow swiss chard outdoors in Tokyo?
Direct-sow around mid March (Mar 14–Apr 4) in Tokyo, based on its local frost dates. Confidence 45%.
When will swiss chard be ready to harvest in Tokyo?
Expect to harvest from around early May (May 3–May 13) in Tokyo, based on its local frost dates. Confidence 40%.
When should I start swiss chard 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 swiss chard outdoors in Tokyo?
Transplant outdoors around mid March (Mar 14–Apr 4) in Tokyo, based on its local frost dates. Confidence 45%.
Can I plant swiss chard in autumn in Tokyo?
Yes — Tokyo supports a second, autumn sowing of swiss chard 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 swiss chard to maturity outdoors.
Sow swiss chard 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.