When to plant swiss chard in Columbus
Common questions
When can I sow swiss chard outdoors in Columbus?
Direct-sow around early April (Apr 2–Apr 23) in Columbus, based on its local frost dates. Confidence 89%.
When will swiss chard be ready to harvest in Columbus?
Expect to harvest from around late May (May 22–Jun 1) in Columbus, based on its local frost dates. Confidence 80%.
When should I start swiss chard seeds indoors in Columbus?
Start seeds indoors around mid March (Mar 19–Apr 9) in Columbus, based on its local frost dates. Confidence 85%.
When can I transplant swiss chard outdoors in Columbus?
Transplant outdoors around early April (Apr 2–Apr 23) in Columbus, based on its local frost dates. Confidence 89%.
Can I plant swiss chard in autumn in Columbus?
Yes — Columbus supports a second, autumn sowing of swiss chard around late July (Jul 27–Aug 10), timed to mature before the first fall frost.
How long is the growing season in Columbus?
Columbus has roughly 188 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 Columbus's frost dates.