PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Union des Cooperatives de Semences de Tournesol (FR)/Institut National de la Recherche Agronomique (FR)
also searched as: тоска
10 August 2026
The Tosca variety (or F1 Tosca) is classified as a decorative sunflower intended for cut flowers. The plant forms a single stem, and the inflorescence consists of yellow petals and a dark central disc.
Under experimental conditions, plant height varies from 70 to 110 cm. The variety is distinguished by relatively early flowering, preceding the Orange Glory variety by 5–7 days, with its development potentially dependent on day length.
1 jurisdiction
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 0061215
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Torino, Tornado, Tornasol, Toro, Toro SU, Toronto, TORP3886, TORRENTE, Torresol, Torretta, Toscana CS, Tosco, Toskana, Totem M, Totem ST, Totoro, Toya, TR 2234 SLV CL, TR 2242 CL, TR 919003