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Can You Grow Swiss Chard in Washington?

US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Grows well here

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

Plant zones

2a–10b

Washington last frost

late January

Washington first frost

mid-December

Days to harvest

50–60 days

When to plant Swiss Chard in Washington

Direct sow

Jan 30

Harvest

Mar 21 – Mar 31

Dates are approximate, based on Washington'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 Washington

Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.

See what grows well in Washington →

Frequently asked questions

Can you grow Swiss Chard in Washington?

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

What zone is Washington?

Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).

When do you plant Swiss Chard in Washington?

Plant Swiss Chard Jan 30, harvest Mar 21 – Mar 31.