Growing Leeks in Zone 6
When to plant and harvest leeks in Zone 6— based on your zone's frost dates.
Zone 6 sits comfortably within leeks' best range (Zones 3–9), so it grows well here on a standard schedule.
Leeks 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
March
Transplant
—
Harvest
July
Free planting calendar
Put leeks on your own planting calendar
A month-by-month Zone 6 chart with leeks already on it — add the rest of your garden, then print it or save it as a PDF.
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Leeks care at a glance
- Sunlight
- Full sun (6+ hours)
- Water
- 1–1.5 inches per week, consistent
- Spacing
- 6 in apart
- Days to maturity
- 100–120 days from transplant
- Best zones
- 3–9 (cool-season biennial grown as annual; very cold-hardy)
Growing leeks in Zone 6: FAQs
Can you grow leeks in Zone 6?＋
Zone 6 sits comfortably within leeks' best range (Zones 3–9), so it grows well here on a standard schedule.
When should I plant leeks 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 leeks in Zone 6?＋
Expect to harvest leeks in Zone 6 around July, depending on the season and variety.
Full Leeks 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.