...false sunflower (Heliopsis helianthoides), also known as oxeye... ...is an easy-growing herbaceous perennial plant... ...is a mouthful, but it basically means sunflower-like. (Helios was the Greek sun god.) And... ...helianthoides is not the same as the perennial sunflower in the genus, and consequently, it's been... ...the common name of false sunflower. In the garden, they're best started in the... ...likely won't bloom in their first year. False sunflowers feature upright clumps, triangular-shaped...