When to plant leeks in zone 6

Leeks in USDA zone 6

Average zone 6 frost dates: last spring frost ≈ Apr 20, first fall frost ≈ Oct 20 (183 frost-free days). Local dates can vary by 2-3 weeks.

Start indoors early; hill soil around stems for long white shanks.

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Other zones

• Leeks in zone 3
• Leeks in zone 4
• Leeks in zone 5
• Leeks in zone 7
• Leeks in zone 8
• Leeks in zone 9
• Leeks in zone 10
• Zone 6 planting calendar