• Silphium integrifolium '' (003506)
  • Silphium integrifolium '' (003505)
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Rosin Weed

Silphium integrifolium

  • Single gold sunflowers tower over late summer companion plants
  • Bold, tough and durable!
  • Attracts birds and butterflies
  • Height: 8-10 ft
  • Spread: 2-4 ft
  • Zone: 4-8
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