Home › Swiss Chard › Grow in Oklahoma

Can You Grow Swiss Chard in Oklahoma?

US · USDA Zone 7a · zones 6a, 6b, 7a, 7b

Grows well here

Swiss chard grows excellently here — cold-tolerant and productive continuously through the season.

Plant zones

2a–10b

Oklahoma last frost

early March

Oklahoma first frost

late November

Days to harvest

50–60 days

When to plant Swiss Chard in Oklahoma

Direct sow

Mar 7

Harvest

Apr 26 – May 6

Dates are approximate, based on Oklahoma's average frost dates. Your exact yard may vary by microclimate.

About Swiss Chard

Swiss chard is one of the most productive and cold-tolerant leafy greens — beautiful and nutritious.

Direct sow in spring or fall. Harvest outer leaves continuously. Survives light frost. More heat-tolerant than spinach. Excellent for containers and indoor growing under lights.

Full swiss chard growing guide →

Gardening in Oklahoma

Oklahoma ranges from Zone 6a in the Panhandle to Zone 7b in the southeast. Hot summers and mild winters. Long growing season for warm-season crops.