The herbaceous perennial Silphium perfoliatum (cup plant) bears showy and bright yellow blossoms during mid summer to early fall. The foliage is deep green in colour. A specimen plant, Silphium perfoliatum (cup plant) can help you create a focal point in your garden design.
Typical Uses
Accent, border, cut flowers, specimen and wild flower.
Special Characteristics
Birds and butterflies are attracted to Silphium perfoliatum .