When to plant kale in Duluth
Common questions
When can I sow kale outdoors in Duluth?
Direct-sow around early May (May 2–May 23) in Duluth, based on its local frost dates. Confidence 84%.
When will kale be ready to harvest in Duluth?
Expect to harvest from around late June (Jun 26–Jul 16) in Duluth, based on its local frost dates. Confidence 78%.
When should I start kale seeds indoors in Duluth?
Start seeds indoors around late March (Mar 29–Apr 19) in Duluth, based on its local frost dates. Confidence 83%.
When can I transplant kale outdoors in Duluth?
Transplant outdoors around early May (May 2–May 23) in Duluth, based on its local frost dates. Confidence 84%.
Can I plant kale in autumn in Duluth?
Yes — Duluth supports a second, autumn sowing of kale around early July (Jul 3–Jul 17), timed to mature before the first fall frost.
How long is the growing season in Duluth?
Duluth has roughly 150 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 Duluth's frost dates.