Silphium perfoliatum, the cup plant or cup-plant, is a species of flowering plant in the family Asteraceae, native to eastern and central North America. It is an erect herbaceous perennial with triangular toothed leaves, and daisy-like yellow composite flower heads in summer.

16.1.2023 · A coarse perennial, 3-6+ ft. tall with numerous large, yellow composite flowers. Each flower head has 20-30 yellow rays and darker yellow discs.

A magnificent native perennial that can easily reach 10 feet tall, Silphium perfoliatum is excellent in the back of the border garden, filling up a sunny corner ...

Silphium perfoliatum, commonly called cup plant, is a coarse, sunflower-like, Missouri native plant which occurs in open, low woods and thickets, wet meadows ...

Common cup-plant is a native wildflower in the Asteraceae (daisy) family. It may self-seed. It typically grows to around 6', however, can grow to reach 9' tall.

Cup Plant is hardy and strong, and very easy to identify because of the square stem and 'cup' leaves that hold water for birds, insects, and small mammals.

4.7.2022 · Quite robust perennial with typical leaf cups, native to Central-eastern Canada to southeastern United States.See the USDA distribution map. In ...

Photos and information about Minnesota flora - Cup Plant: 10 to 30 sunflower-like yellow flowers 2 to 3½ inches across with broad rough-textured bracts.

Silphium perfoliatum, or Cup Plant, is a 6-8 foot, stunning perennial for full to part sun in moist to dry soils with leaves forming water cups for birds.