Helianthus 'Happy Days' Sunflower produces extra large, golden yellow blooms with anemone-like centers and short ray petals. Helianthus 'Happy Days' has purple stems and good branching. This perennial sunflower is shorter than the typical Helianthus and does not run. 'Happy Days' will easily fit into the middle of the border.
Helianthus 'Happy Days' prefers full sun with moist to average, well-drained soil. It is tolerant of heat, drought and coastal conditions.