When to plant kale in Chicago
Common questions
When can I sow kale outdoors in Chicago?
Direct-sow around late March (Mar 26–Apr 16) in Chicago, based on its local frost dates. Confidence 81%.
When will kale be ready to harvest in Chicago?
Expect to harvest from around mid May (May 20–Jun 9) in Chicago, based on its local frost dates. Confidence 76%.
When should I start kale seeds indoors in Chicago?
Start seeds indoors around late February (Feb 27–Mar 20) in Chicago, based on its local frost dates. Confidence 80%.
When can I transplant kale outdoors in Chicago?
Transplant outdoors around late March (Mar 26–Apr 16) in Chicago, based on its local frost dates. Confidence 81%.
Can I plant kale in autumn in Chicago?
Yes — Chicago supports a second, autumn sowing of kale around late July (Jul 27–Aug 10), timed to mature before the first fall frost.
How long is the growing season in Chicago?
Chicago has roughly 206 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 Chicago's frost dates.