Outdoor
Perennial
Silphium perfoliatum (Cup Plant)
Silphium perfoliatum, commonly known as Cup Plant, is a wildflower native to North America. It is a tall perennial plant that can reach a height of 3 to 10 feet. Cup Plant is characterized by its opposite, triangular leaves that join around the stem to form a cup-like structure, hence its name. It produces bright yellow flowers in late summer, attracting various pollinators such as bees and butterflies. Cup Plant is often found in wet or moist areas such as marshes, meadows, and the edges of streams.
11 Nurseries
grow this plant.
3-10 feet High and 1-2 feet Spread