When should I plant Swiss Chard in Zone 8a?

Start Swiss Chard seeds indoors around Mar 8. Transplant outdoors after Mar 22. Expect first harvest around May 1.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is Apr 5. The first fall frost averages Oct 28, giving a 206-day growing season.

Can I grow Swiss Chard in Zone 8a?

Yes. Swiss Chard needs 55 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.

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🥬 Growing Swiss Chard in Zone 8a

Zone 8a has warm winters and an extended growing season — excellent for heat-loving crops like Swiss Chard. Last frost: Apr 5. First frost: Oct 28.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 8Oct 28

Season: Apr 5 – Oct 28 (206 days)

Zone8a

Last FrostApr 5

First FrostOct 28

Season Length206 days

Days to Harvest55

SunPart Sun / Part Shade

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Swiss Chard in Zone 8a

Start Seeds Indoors: Mar 8

Start Swiss Chard seeds indoors around Mar 8 (4 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: Mar 22

Transplant Swiss Chard seedlings outdoors after Mar 22. Wait until soil temperature reaches 50°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: May 1

First harvest approximately May 1 (~40 days from transplant). Continue harvesting until first frost (Oct 28).

Fall Planting: Sep 2

For a fall harvest, plant Swiss Chard around Sep 2 (8 weeks before first frost).

Swiss Chard in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

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