• Height: 5-6 ft
  
• Spread: 3-4 ft
  
• Light: Full sun-Part shade
  
• Soil: Average-Moist, Well drained
  
• Zone: 4-8
• Deer Resistance: High
• Deciduous
• Native

This is sometimes considered a variety of Silphium perfoliatum but sometimes as a separate species entirely. Differentiated by the stems being covered with stiff rigid hairs and 8-13 rays on the flower as opposed to 21-34 rays. The flowers are bright yellow and bloom throughout the summer. This is a tall perennial reaching up to 6 feet.  

Cup plants are fantastic additions to gardens for their wildlife value. They are a great source of pollen and nectar, produce seeds that birds eat, and has the leaves hold little cups are water insects and birds use to drink from. 

It can be an aggressive spreader so it is not suggested it be planted in small gardens or areas with sensitive species. Cup plant is probably be suited for meadow plantings.