Silphium integrifolium
Encyclopedia
Silphium integrifolium is a tall growing herbaceous perennial plant in Asteraceae
. It is native from central North America.
Three inch sunflower-like flowers top 3 to 5 foot plants in mid to late summer. Grows in full sun and any soil. Great for the prairie wild flower garden as the hearty seeds attract birds.
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...
. It is native from central North America.
Three inch sunflower-like flowers top 3 to 5 foot plants in mid to late summer. Grows in full sun and any soil. Great for the prairie wild flower garden as the hearty seeds attract birds.