Giant sunflowers - Knowledgebase Question

Deerfield, Ne
Question by calbanese52
October 20, 2009
Hi. My sunflowers have just about had it. Can I save the flower heads and harvest the seeds? If so how do I do that?

Answer from NGA
October 20, 2009


The seedheads on your sunflowers are mature if they're bending downward and the back of the head is beginning to turn brown. Harvest by cutting the head plus two inches of stem off the plant and hang them upside down in a dry, well-ventilated place such as an attic or garage until fully dry. To extract the seeds, rub two heads together, or use a wire brush. Spread the seeds out until fully dry (test by crunching one between your teeth). They can be stored in an airtight container.

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