Growing Cauliflower in Zone 6
When to plant and harvest cauliflower in Zone 6— based on your zone's frost dates.
Zone 6 sits comfortably within cauliflower's best range (Zones 2–9), so it grows well here on a standard schedule.
Cauliflower planting calendar for Zone 6
These months are derived from Zone 6's frost dates — last frost around Mid April – early May, first frost around Mid October – early November.
Start indoors
February
Sow outdoors
September
Transplant
March
Harvest
June
Free planting calendar
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A month-by-month Zone 6 chart with cauliflower already on it — add the rest of your garden, then print it or save it as a PDF.
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Cauliflower care at a glance
- Sunlight
- Full sun (6+ hours)
- Water
- 1.5–2 inches per week, never letting it dry out
- Spacing
- 18–24 in apart
- Days to maturity
- 55–100 days from transplant
- Best zones
- 2–9 (cool-season annual)
Growing cauliflower in Zone 6: FAQs
Can you grow cauliflower in Zone 6?＋
Zone 6 sits comfortably within cauliflower's best range (Zones 2–9), so it grows well here on a standard schedule.
When should I plant cauliflower in Zone 6?＋
In Zone 6, start seeds indoors around February. Zone 6's last spring frost is typically Mid April – early May and its first fall frost around Mid October – early November, which sets the planting window.
When to harvest cauliflower in Zone 6?＋
Expect to harvest cauliflower in Zone 6 around June, depending on the season and variety.
Full Cauliflower guide →
Complete care, problems, companions, and harvest tips.
Zone 6 overview →
Frost dates, climate, and everything to grow here.
October in Zone 6 →
What to sow, transplant, and harvest this month.