When to plant sunflowers in zone 5

Sunflowers in USDA zone 5

Step	Dates
Direct sow outdoors	May 7 – May 28
Expected first harvest	from Jul 26

Average zone 5 frost dates: last spring frost ≈ Apr 30, first fall frost ≈ Oct 10 (163 frost-free days). Local dates can vary by 2-3 weeks.

Direct sow after the last frost.

When to plant sunflowers in zone 5?

Direct sow outdoors: May 7 – May 28; Expected first harvest: from Jul 26.

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