Cupplant
Silphium perfoliatum
Plant Information
Garden: Prairie
Zone: 4, 5, 6, 7, 8
Bloom Time: Jul - Sep
Height: 60-120 inches
Light Requirements: Full sun, Morning shade with afternoon sun, Morning sun with afternoon shade
Soil Conditions: Tolerates periodic drought, Average well-drained soil, Tolerates periodic moisture
Flower Color: Yellow