Helianthus
🌺 Helianthus A perennial sunflower that blooms bright yellow flowers on slender, delicate leaves. Very hardy, it can survive winter as is planted, and blooms in autumn. If you prune it once around June, the plant will have a neat, rounded shape during flowering time. In autumn, the above-ground parts die back, and small leaves appear at the base for the next year. (*^^*) It overwinters. us genus Height: about 50cm Blooming period: September to November Flower diameter: 8-12cm Use: Flower bed Sun exposure: Sunny spot. (Learn online).