 | Autumn Sun Coneflower. The Autumn Sun Coneflower (Rudbeckia nitida 'Herbstsonne') is a summer-blooming perennial with a unique greenish cone, giving it the nickname Green-Eyed Coneflower. These raised centers are surrounded by long, brilliant yellow petals that droop from a large green cone! This giant resembles their Black-Eyed Susan cousins and really shows off their Sunflower family relations due to Autumn Sun being one of the tallest of the Rudbeckia! Herbstsonne is a selection of a native, and some say it is a hybrid... - Autumn Sun Coneflower. |