Silphium - Compass Plant
Silphium (Silphium Laciniatum) - Commonly known as Compass Plant, this very tall flowering plant demands a second look! It is readily grown from Silphium Laciniatum flower seeds and what an interesting flower it is. Silphium is often grown with tall grasses such as Big Bluestem, and it prefers full sun and moist to slightly dry conditions. Compass Plant has yellow flowers measuring 3 - 4 inches across that resemble wild sunflowers.
Silphium - Cup Plant
Silphium (Silphium Perfoliatum) - This towering, flowering plant is a native of the tall grass prairie and readily establishes from Silphium flower seed. It is commonly known as Cup Plant and is a perennial giant which has yellow daisy-like flowers. The flowers measure 3 - 4 inches across and attract bees and birds. The name comes from the large leaves that are on opposite sides of the stem and are fused together at their base. This base forms a cup that collects water from the morning dew.
