When to plant kale in Knoxville
Common questions
When can I sow kale outdoors in Knoxville?
Direct-sow around mid March (Mar 18–Apr 8) in Knoxville, based on its local frost dates. Confidence 89%.
When will kale be ready to harvest in Knoxville?
Expect to harvest from around mid May (May 12–Jun 1) in Knoxville, based on its local frost dates. Confidence 80%.
When should I start kale seeds indoors in Knoxville?
Start seeds indoors around late February (Feb 25–Mar 18) in Knoxville, based on its local frost dates. Confidence 85%.
When can I transplant kale outdoors in Knoxville?
Transplant outdoors around mid March (Mar 18–Apr 8) in Knoxville, based on its local frost dates. Confidence 89%.
Can I plant kale in autumn in Knoxville?
Yes — Knoxville supports a second, autumn sowing of kale around late July (Jul 24–Aug 7), timed to mature before the first fall frost.
How long is the growing season in Knoxville?
Knoxville has roughly 201 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 Knoxville's frost dates.