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🥬 Growing Swiss Chard in Zone 11b

Zone 11b has a year-round growing season. Swiss Chard can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 18Dec 31

Season: Jan 15 – Dec 31 (350 days)

Zone11b

Last FrostJan 15

First FrostDec 31

Season Length350 days

Days to Harvest55

SunPart Sun / Part Shade

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Swiss Chard in Zone 11b

Start Seeds Indoors: Dec 18

Start Swiss Chard seeds indoors around Dec 18 (4 weeks before last frost). Optimal germination temperature: 75°F. Germinates in 7–14 days.

Transplant Outdoors: Jan 1

Transplant Swiss Chard seedlings outdoors after Jan 1. 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 10

First harvest approximately Feb 10 (~40 days from transplant). Continue harvesting until first frost (Dec 31).

Fall Planting: Nov 5

For a fall harvest, plant Swiss Chard around Nov 5 (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 11b?

Start Swiss Chard seeds indoors around Dec 18. Transplant outdoors after Jan 1. Expect first harvest around Feb 10.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Swiss Chard in Zone 11b?

Yes. Swiss Chard needs 55 days to harvest. Zone 11b has a 350-day growing season, which is sufficient.

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

The best time to start Swiss Chard in Zone 11b is Dec. Begin seeds indoors around Dec 18, then transplant outdoors after the last frost date of Jan 15.

How long does Swiss Chard take to harvest?

Swiss Chard takes approximately 55 days from planting to harvest. In Zone 11b, expect your first harvest around Feb 10.

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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