Cup Plant - Silphium Perfoliatum

Regular price $5.00

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Cup Plant towers over seven feet tall with flowers that measure three to four inches across.  It can create colonies and spread prolifically.  The leaves form "cups", hence the name, that collect rain water where frogs and birds visit.  Once established this perennial does not transplant well.   

  • Hardiness Zone: 4-8
  • Native Northeast Region: ME,VT,MA,RI,CT,NY,NJ,MD,DE,PA
  • Sun Exposure: Full, Partial
  • Flower Color: Yellow
  • Bloom Time: July, August, September
  • Soil Type: Moist
  • Mature Plant Size: 6-8'H, 4-6'W
  • Plant Spacing: 2-4'
  • Host Plant: Silphium Moth
  • Attracts: Bees, birds, butterflies
  • Advantages: Leaf bases form a cup that collects rain water, small frogs will visit as well as songbirds to drink the water
  • Landscape Uses: Cottage gardens, meadows, rain gardens
  • Companion Plants: Big Bluestem, Iron Weed, Native Bergamot, New England Aster