Cup Plant

Cup Plant (Silphium perfoliatum)

The Cup Plant is a tall, bold native perennial known for its large, yellow sunflower-like blooms and unique, water-holding leaves that attract wildlife. Its leaves form “cups” around the stem, collecting rainwater, providing a vital drinking source for birds, bees, and insects. Blooming from mid-summer to early fall, this hardy plant plays an essential role in supporting pollinators, including native bees, butterflies, and hummingbirds. The seeds that develop later in the season provide food for birds like goldfinches. Traditionally, Native Americans used the resin from the stems for chewing gum and to treat respiratory ailments. Ideal for meadows, wetland areas, or wildlife gardens, the Cup Plant thrives in moist, well-drained soils.

Key Characteristics:

• Pollinator and Bird Magnet: The large, bright yellow flowers of the Cup Plant attract pollinators like bees, butterflies, and hummingbirds. After flowering, its seeds are a vital food source for birds, especially goldfinches, in the fall and winter.

• Water Source for Wildlife: The plant’s signature feature is its cup-shaped leaves that trap rainwater, creating a natural drinking reservoir for insects, birds, and small animals. This makes it a valuable addition to wildlife gardens, especially during dry periods.

• Traditional Medicinal Uses: Native Americans chewed the resin from Cup Plant stems to relieve coughs and other respiratory issues. While not widely used medicinally today, its historical significance adds to its value as a cultural plant.

• Erosion Control and Soil Stabilizer: The deep-rooted Cup Plant helps prevent erosion and improves soil health, making it a great choice for stream banks, rain gardens, or other areas prone to erosion. Its tall, sturdy stems also provide shelter for wildlife.

• Ideal for Meadows and Wetland Areas: Thriving in moist, well-drained soils, the Cup Plant is perfect for naturalizing in meadows, wetland areas, or alongside ponds. Its towering presence adds vertical interest and ecological benefits to any landscape.

Product Details:

• Native Range: Eastern and Central North America
• Plant Life Cycle: Perennial
• Sun Requirements: Full sun to partial shade
• Soil Requirements: Moist, well-drained
• Mature Height: 6-10 feet
• Bloom Time: Mid-summer to early fall (July to September)
• Bloom Color: Bright yellow
• USDA Hardiness Zones: 3-9

Support wildlife and enhance your garden with the majestic Cup Plant, a pollinator-friendly perennial that provides water, food, and habitat for a variety of species.