2022年9月28日 · Ranging between four and eight feet tall, the cup plant (Silphium perfoliatum) is a sunflower -like perennial with coarse leaves that's commonly found in low woods, prairies, meadows, and bordering streams or ponds.

Cup plant is a large native species that can grow up to 8 feet tall and produces large, yellow, daisylike flowers from midsummer to early fall. It has unique cupped leaves that surround square stems. Cup plant is a great addition to wildflower gardens, native gardens, cottage gardens, beds, and borders with well-drained soils in full sun.

Silphium perfoliatum, the cup plant [2] 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.

Blooms from June to August. Two upper leaves surround the flower stalk, forming a shallow cup that will hold water which attracts birds. Large, rough, deeply pinnatified leaves, coarsely toothed lower leaves contract into a winged stalk. The lower leaves and basal leaves typically fall off and wither by the time the flowers open.

2021年10月23日 · Cup plant, or Silphium perfoliatum, is a native flowering plant found in most parts of the eastern United States. Reaching heights of up to 8 feet (2.5 m.), this bright yellow perennial flower is a welcome addition to gardens for its attractiveness to bees and other beneficial insects.

The Cup Plant is a tall, sturdy perennial flower native to the Midwestern United States, with isolated pockets in surrounding states as far as Tennessee, North Carolina, and Pennsylvania. It produces many yellow flowers that are about 4″ across (10 cm) and blooms for about a month.

2018年8月15日 · Cup plant (Silphium perfoliatum) is a tall wildflower that is native to Kentucky and much of the eastern U.S. It commonly grows 4-6 feet tall and has been known to grow even taller in ideal conditions. Once established, cup plant spreads both by seeds and by underground rhizomes that form clones.

2024年12月4日 · Cup Plant flowers provide a wonderful feast for native bees and provides a balanced structure and materials for bees to nest. Water caught in the cup-like leaves acts like a birdbath while the large seed heads provide food to birds. Cup Plant attracts hummingbirds, monarchs, skippers, moths, and a diversity of bees, wasps, and bee flies.

Adaptable and highly aggressive, clump-forming. This plant is distinguished from other Silphiums by its square stems and pairs of cup-forming leaves that hold water. Soft yellow flowers grow 3 in. in diameter with darker yellow center disks. Plants bloom in summer at the top of stout stems.

Blooming for 4-6 weeks in midsummer to early fall, branched sprays of deep yellow daisies, 3 in. across (7 cm), adorned with 20-30 yellow rays surrounding a darker yellow central disk, can be enjoyed. Cup Plant attracts many visitors, including honey bees, bumblebees, and …