Growing Swiss Chard in Zone 12
When to plant and harvest swiss chard in Zone 12— based on your zone's frost dates.
Zone 12 runs warmer than swiss chard's usual range (Zones 3–10). Heat can cut the season short, so focus on the cooler shoulder months.
Swiss Chard planting calendar for Zone 12
These months are derived from Zone 12's frost dates — last frost around None, first frost around None.
Start indoors
—
Sow outdoors
January
Transplant
—
Harvest
March
Free planting calendar
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A month-by-month Zone 12 chart with swiss chard already on it — add the rest of your garden, then print it or save it as a PDF.
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Swiss Chard care at a glance
- Sunlight
- Full sun to part shade (4–6+ hours)
- Water
- 1–1.5 inches per week
- Spacing
- 6–12 in apart
- Days to maturity
- 50–60 days; baby leaves sooner
- Best zones
- 3–10 (biennial grown as annual; overwinters in mild zones)
Growing swiss chard in Zone 12: FAQs
Can you grow swiss chard in Zone 12?＋
Zone 12 runs warmer than swiss chard's usual range (Zones 3–10). Heat can cut the season short, so focus on the cooler shoulder months.
When should I plant swiss chard in Zone 12?＋
In Zone 12, sow outdoors around January. Zone 12's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest swiss chard in Zone 12?＋
Expect to harvest swiss chard in Zone 12 around March, depending on the season and variety.
Full Swiss Chard guide →
Complete care, problems, companions, and harvest tips.
Zone 12 overview →
Frost dates, climate, and everything to grow here.
July in Zone 12 →
What to sow, transplant, and harvest this month.