Perennial Sunflower
The biggest difference among many of the sunflower species is in the foliage. While sunflower leaves tend to be coarse in texture, there are some exceptions, such as Helianthus salicifolius which has fine foliage. These plants don’t branch, except at the flowering tips, creating an extremely soft and airy texture. Perennial Sunflower Care Must-Knows Many native perennial sunflowers in the United States are tough plants coming from the Great Plains, prairies, and open rocky woodlands....