Growing Broccoli in Zone 12
When to plant and harvest broccoli in Zone 12— based on your zone's frost dates.
Zone 12 runs warmer than broccoli's usual range (Zones 3–10). Heat can cut the season short, so focus on the cooler shoulder months.
Broccoli 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
December
Sow outdoors
—
Transplant
October and December
Harvest
March
Free planting calendar
Put broccoli on your own planting calendar
A month-by-month Zone 12 chart with broccoli already on it — add the rest of your garden, then print it or save it as a PDF.
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Broccoli care at a glance
- Sunlight
- Full sun (tolerates light shade)
- Water
- 1–1.5 inches per week, consistent
- Spacing
- 18 in apart
- Days to maturity
- 60–85 days from transplant
- Best zones
- 3–10 (cool seasons)
Growing broccoli in Zone 12: FAQs
Can you grow broccoli in Zone 12?＋
Zone 12 runs warmer than broccoli's usual range (Zones 3–10). Heat can cut the season short, so focus on the cooler shoulder months.
When should I plant broccoli in Zone 12?＋
In Zone 12, start seeds indoors around December. Zone 12's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest broccoli in Zone 12?＋
Expect to harvest broccoli in Zone 12 around March, depending on the season and variety.
Full Broccoli guide →
Complete care, problems, companions, and harvest tips.
Zone 12 overview →
Frost dates, climate, and everything to grow here.
October in Zone 12 →
What to sow, transplant, and harvest this month.