When to plant sunflowers in zone 6

Sunflowers in USDA zone 6

Step	Dates
Direct sow outdoors	Apr 27 – May 18
Expected first harvest	from Jul 16

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.

Direct sow after the last frost.

When to plant sunflowers in zone 6?

Direct sow outdoors: Apr 27 – May 18; Expected first harvest: from Jul 16.

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