Helianthus 'Happy Days' Sunflower produces extra large, double, golden yellow blooms with anemone-like centers and short ray petals. Helianthus 'Happy Days' has purple stems and good branching. 'Happy Days' is a cultivar that does not run, making it a lovely addition to the border.
Helianthus 'Happy Days' Sunflower prefers full sun with moist to average, well-drained soil. It is tolerant of heat, drought and coastal conditions.