Scientific Name: Silphium perfoliatum
Family: Aster family (Asteraceae)
Spread: 2-4 ft.
Bloom Time: June-August
Native Range: Eastern North America, Pennsylvania
Ecological Value: Nectar source for long tongued bees, wasps, butterflies, and occasional hummingbirds. Goldfinches also visit these plants
Human Value:
Bumble Bee 
Sweat Bee