Silphium laciniatum #2 (Compass Plant)

Deeply dissected leaves tend to orient themselves in a north-south direction. At maturity may have up to 100 large yellow flowers on an 8′ stalk. Host to 4 species of Lepidoptera. Does well in poor soils and clay. Very deep rooted. Great for rain gardens. Full sun. Endangered species in OH. 6-8′ Zone 4