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Can You Grow Swiss Chard in Colorado?

US · USDA Zone 5b · zones 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b

Grows well here

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

Plant zones

2a–10b

Colorado last frost

early April

Colorado first frost

late October

Days to harvest

50–60 days

When to plant Swiss Chard in Colorado

Direct sow

Apr 7

Harvest

May 27 – Jun 6

Dates are approximate, based on Colorado'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 Colorado

Colorado has a semi-arid mountain climate with intense sunshine and low humidity. Front Range cities like Denver are Zone 5-6; higher elevations are Zones 3-4.

See what grows well in Colorado →

Frequently asked questions

Can you grow Swiss Chard in Colorado?

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

What zone is Colorado?

Colorado spans USDA Zone 5b (3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b).

When do you plant Swiss Chard in Colorado?

Plant Swiss Chard Apr 7, harvest May 27 – Jun 6.