When to plant kale in Sapporo
Common questions
When can I sow kale outdoors in Sapporo?
Direct-sow around early May (May 1–May 22) in Sapporo, based on its local frost dates. Confidence 44%.
When will kale be ready to harvest in Sapporo?
Expect to harvest from around late June (Jun 25–Jul 15) in Sapporo, based on its local frost dates. Confidence 40%.
When should I start kale seeds indoors in Sapporo?
Start seeds indoors around late March (Mar 31–Apr 21) in Sapporo, based on its local frost dates. Confidence 43%.
When can I transplant kale outdoors in Sapporo?
Transplant outdoors around early May (May 1–May 22) in Sapporo, based on its local frost dates. Confidence 44%.
Can I plant kale in autumn in Sapporo?
Yes — Sapporo supports a second, autumn sowing of kale around mid July (Jul 16–Jul 30), timed to mature before the first fall frost.
How long is the growing season in Sapporo?
Sapporo has roughly 166 frost-free days, which is enough time to grow kale to maturity outdoors.
Sow kale 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 Sapporo's frost dates.