When to plant swiss chard in Knoxville
Common questions
When can I sow swiss chard outdoors in Knoxville?
Direct-sow around late March (Mar 25–Apr 15) in Knoxville, based on its local frost dates. Confidence 89%.
When will swiss chard be ready to harvest in Knoxville?
Expect to harvest from around mid May (May 14–May 24) in Knoxville, based on its local frost dates. Confidence 80%.
When should I start swiss chard 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 swiss chard outdoors in Knoxville?
Transplant outdoors around late March (Mar 25–Apr 15) in Knoxville, based on its local frost dates. Confidence 89%.
Can I plant swiss chard in autumn in Knoxville?
Yes — Knoxville supports a second, autumn sowing of swiss chard 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 swiss chard to maturity outdoors.
Sow swiss chard 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.