The Rockstar sunflower hybrid is characterized by medium plant height. The head is semi-pendulous on a broad, curved stalk.
The plant leaves are of medium size, medium-green in color, slightly rugose, and have a medium degree of dentation on the margins. The ray florets are yellow-orange in color. The flowering period of the hybrid is rated as medium.
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Countries of admission
4 jurisdictions
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
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