Plant Library

Cup Plant Native

Common Name: Cup Plant

Botanical Name: Silphium

Variety: Native

Blossom Color: Yellow

Bloom Time: Jul-Sep

Zone: 4 to 8

Exposure: Sun to Part Shade

Mature Height: 6'

Mature Width: 2-4'

Notes: This tall plant with pale yellow blossoms provides beauty for us as well as nectar for butterflies and seeds for the birds. Does well in average garden soil or in heavier wetter soils. Can be aggressive toward smaller plants so situate with care. Beneficial for pollinators and birds. Deer resistant.