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🥬 Growing Swiss Chard in Zone 11a

Zone 11a has a year-round growing season. Swiss Chard can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 31Dec 22

Season: Jan 28 – Dec 22 (328 days)

Zone11a

Last FrostJan 28

First FrostDec 22

Season Length328 days

Days to Harvest55

SunPart Sun / Part Shade

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Swiss Chard in Zone 11a

Start Seeds Indoors: Dec 31

Start Swiss Chard seeds indoors around Dec 31 (4 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: Jan 14

Transplant Swiss Chard seedlings outdoors after Jan 14. Wait until soil temperature reaches 50°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Feb 23

First harvest approximately Feb 23 (~40 days from transplant). Continue harvesting until first frost (Dec 22).

Fall Planting: Oct 27

For a fall harvest, plant Swiss Chard around Oct 27 (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

Frequently Asked Questions

When should I plant Swiss Chard in Zone 11a?

Start Swiss Chard seeds indoors around Dec 31. Transplant outdoors after Jan 14. Expect first harvest around Feb 23.

What is the last frost date for Zone 11a?

The average last spring frost date for Zone 11a is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.

Can I grow Swiss Chard in Zone 11a?

Yes. Swiss Chard needs 55 days to harvest. Zone 11a has a 328-day growing season, which is sufficient.

What is the best month to plant Swiss Chard in Zone 11a?

The best time to start Swiss Chard in Zone 11a is Dec. Begin seeds indoors around Dec 31, then transplant outdoors after the last frost date of Jan 28.

How long does Swiss Chard take to harvest?

Swiss Chard takes approximately 55 days from planting to harvest. In Zone 11a, expect your first harvest around Feb 23.

Plan Your Swiss Chard Garden

Track Swiss Chard from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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