One of the best sunflowers for cut-flower displays, ProCut Orange Hybrid Sunflower produces 3-4 in. golden orange flowers with dark brown centers. The pollenless flowers do not drop pollen after cutting, making for tidy flower arrangements. This easy-to-grow annual sunflower grows 5-6 ft. tall. Whether in the garden or fresh flower displays, ProCut Orange radiates warmth and cheer. For a steady supply of flowers for cutting, plant sunflower seeds every 2-3 weeks in the spring. For best results, plant in full sun. 50 DAYS.