When to plant Swiss chard in Zone 8

In Zone 8, the last spring frost usually passes around March 28 and the first fall frost arrives around November 7, leaving about 224 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.

Mild winters, long season. Cool crops in fall/winter; heat can limit summer greens.

Last spring frost: March 28First fall frost: November 7Frost-free days: 224Days to maturity: 55Hardiness: Half-hardy

Planting windows for Swiss chard in Zone 8

When to plant Swiss chard in Zone 8
Task	Window
Direct sow	Mar 14 to Mar 28
Estimated harvest	May 8 to Sep 5

The harvest estimate counts 55 days to maturity, then a picking window of about 120 days. These windows use typical frost dates for Zone 8; Dibble pins them to your exact ZIP code.

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Swiss Chard in a Zone 8 season

Zone 8 gives about 224 frost-free days. Swiss Chard needs roughly 55 days from sowing. That leaves about 169 days of slack, so there is room for a late start or a second planting.

How to grow Swiss chard

Sow chard a couple of weeks before last frost. Pick outer leaves and it keeps producing from spring through fall.

Companion plants

Good neighbors for Swiss Chard:

Bean (bush)Onion

Swiss Chard in other zones

Not in Zone 8? Pick your zone for the same dated windows.

Zone 3 Zone 4 Zone 5 Zone 6 Zone 7 Zone 9 Zone 10 Zone 11

Keep exploring

Swiss Chard: the full growing guide · The Zone 8 planting calendar · Every crop and zone

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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.