Silphium laciniatum (Compass Plant)
Silphium laciniatum (Compass Plant)
100 (200)cm, Compass Plant is a very showy herbaceous perennial with strongly dissected leaves which work as a compass since they orient themselves north-south. The large bright yellow, sunflower-like flowers are terminally born. This species is native of rich or dry soils in prairies in eastern North America. Easily grown in a rich, well drained soil in a preferably sunny spot. VII-VIII.More Details »