When to plant sunflowers in zone 10

Sunflowers in USDA zone 10

Step	Dates
Direct sow outdoors	Feb 7 – Feb 28
Expected first harvest	from Apr 28

Average zone 10 frost dates: last spring frost ≈ Jan 31, first fall frost ≈ Dec 15 (318 frost-free days). Local dates can vary by 2-3 weeks.

Direct sow after the last frost.

When to plant sunflowers in zone 10?

Direct sow outdoors: Feb 7 – Feb 28; Expected first harvest: from Apr 28.

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