When to plant lettuce in Knoxville
Common questions
When can I sow lettuce outdoors in Knoxville?
Direct-sow around mid March (Mar 11–Apr 1) in Knoxville, based on its local frost dates. Confidence 89%.
When will lettuce be ready to harvest in Knoxville?
Expect to harvest from around early May (May 2–May 17) in Knoxville, based on its local frost dates. Confidence 80%.
When should I start lettuce seeds indoors in Knoxville?
Start seeds indoors around mid March (Mar 11–Apr 1) in Knoxville, based on its local frost dates. Confidence 85%.
When can I transplant lettuce 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 lettuce in autumn in Knoxville?
Yes — Knoxville supports a second, autumn sowing of lettuce around late July (Jul 28–Aug 11), 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 lettuce to maturity outdoors.
Sow lettuce 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.