When to plant swiss chard in Durham
Common questions
When can I sow swiss chard outdoors in Durham?
Direct-sow around mid March (Mar 19–Apr 9) in Durham, based on its local frost dates. Confidence 83%.
When will swiss chard be ready to harvest in Durham?
Expect to harvest from around early May (May 8–May 18) in Durham, based on its local frost dates. Confidence 75%.
When should I start swiss chard seeds indoors in Durham?
Start seeds indoors around early March (Mar 5–Mar 26) in Durham, based on its local frost dates. Confidence 79%.
When can I transplant swiss chard outdoors in Durham?
Transplant outdoors around mid March (Mar 19–Apr 9) in Durham, based on its local frost dates. Confidence 83%.
Can I plant swiss chard in autumn in Durham?
Yes — Durham supports a second, autumn sowing of swiss chard around early August (Aug 6–Aug 20), timed to mature before the first fall frost.
How long is the growing season in Durham?
Durham has roughly 218 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 Durham's frost dates.