Common Name: Cup Plant

Latin Name: Silphium perfoliatum

Height: 4-8 feet

Duration: Perennial

Bloom Color: Yellow

Bloom Time: July - September

Water Use: Medium-Wet to Medium

Soil: Loamy

Light Requirement: Sun, Partial Sun

Spreads via rhizomes and self-seeding

Host Plant: Two-spotted Eucosma and Giant Eucosma Moth

Pollinators: Long-tongued bees, butterflies, skippers, short-tongued bees, wasps, bee flies, other flies.

Other Information: Leaves collect rainwater, providing drinking water for birds, insects, and frogs. Seeds eaten by goldfinches. Deer resistant.