Helianthus annuus Large and beautiful dark brown centers surrounded by golden yellow petals. Depending on the conditions, some smaller side flowers may form. Maximum height of 2m. SOWING SEASON (see image) Product Trade Name: Giant Sunflower Brand: Sementes Vivas Operator's Address: Herdade do Couto da Várzea, Estrada Nacional 354, 6060-270 Idanha-a-Nova, Portugal Customer Information Service: see contacts on the page. Net Weight: 5g NOTE: Keep in a dry and cool place. For more information, see the instructions on the labels.