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Buttonbush — Cephalanthus occidentalis

Buttonbush

Cephalanthus occidentalis

Rubiaceae · Shrub

Buttonbush is a unique and captivating native shrub with spherical, fragrant white flowers resembling pincushions that are irresistible to a wide range of pollinators. It thrives in wet areas, making it perfect for rain gardens or pond edges.

  • · Requires consistently moist to wet soil, tolerating standing water.
  • · Can be pruned in late winter or early spring to maintain shape or size.
  • · Plant near water features or in low-lying areas where water collects.

At a glance

  • Growing zones: 4-10
  • Sun: Full sun to partial shade
  • Water: High
  • Maintenance: Low
  • Type: Shrub
  • Mature size: 5-12 ft tall · 4-8 ft wide
  • Bloom season: Summer · White
  • Pollinator friendly: Yes
  • Container suitable: Best in ground
  • Cold tolerance: Hardy to -30F
  • Heat tolerance: Excellent
  • Soil: Wet to moist soil
  • Growth rate: Moderate
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