Cup Plant grows to 6 ft tall, producing yellow flowers from July to September. It thrives in full to partial sun and medium to wet soils, including clay, loam or sand. Large perfoliate leaves form natural cups that collect rainwater, making it an eye-catching addition to perennial borders or naturalized gardens.
Ecological Benefits
Leaf cups provide drinking and bathing spots for birds and beneficial insects. Its blooms offer abundant nectar and pollen for bees and butterflies, and later seed heads feed finches and other songbirds.